added Bacteria monster to Backrooms game with camouflage mechanics, lure sounds, and sprinting behavior

refactored Backrooms game to introduce modular game systems, procedural generation, and enhanced mechanics
removed deprecated use of old DimensionType constructor and updated map file paths accordingly
2026-08-15 16:10:12 +02:00 · 2026-08-09 22:05:44 +02:00 · 2026-08-09 12:35:05 +02:00 · 2026-07-31 20:04:15 +00:00 · 2026-07-31 13:28:27 +02:00 · 2026-07-29 15:59:08 +02:00
328 changed files with 10283 additions and 2256 deletions
@@ -1,3 +1,120 @@
+# Created by https://www.toptal.com/developers/gitignore/api/gradle,intellij,java
+# Edit at https://www.toptal.com/developers/gitignore?templates=gradle,intellij,java
+
+### Intellij ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# AWS User-specific
+.idea/**/aws.xml
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# SonarLint plugin
+.idea/sonarlint/
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### Intellij Patch ###
+# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
+
+# *.iml
+# modules.xml
+# .idea/misc.xml
+# *.ipr
+
+# Sonarlint plugin
+# https://plugins.jetbrains.com/plugin/7973-sonarlint
+.idea/**/sonarlint/
+
+# SonarQube Plugin
+# https://plugins.jetbrains.com/plugin/7238-sonarqube-community-plugin
+.idea/**/sonarIssues.xml
+
+# Markdown Navigator plugin
+# https://plugins.jetbrains.com/plugin/7896-markdown-navigator-enhanced
+.idea/**/markdown-navigator.xml
+.idea/**/markdown-navigator-enh.xml
+.idea/**/markdown-navigator/
+
+# Cache file creation bug
+# See https://youtrack.jetbrains.com/issue/JBR-2257
+.idea/$CACHE_FILE$
+
+# CodeStream plugin
+# https://plugins.jetbrains.com/plugin/12206-codestream
+.idea/codestream.xml
+
+# Azure Toolkit for IntelliJ plugin
+# https://plugins.jetbrains.com/plugin/8053-azure-toolkit-for-intellij
+.idea/**/azureSettings.xml
+
+### Java ###
 # Compiled class file
 *.class

@@ -23,8 +140,35 @@
 hs_err_pid*
 replay_pid*

-.idea
+### Gradle ###
 .gradle
-build/*
+**/build/
+!src/**/build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+
+# Avoid ignore Gradle wrappper properties
+!gradle-wrapper.properties
+
+# Cache of project
+.gradletasknamecache
+
+# Eclipse Gradle plugin generated files
+# Eclipse Core
+.project
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
+
+### Gradle Patch ###
+# Java heap dump
+*.hprof
+
+# End of https://www.toptal.com/developers/gitignore/api/gradle,intellij,java

 /resources/
+/build/
+/bin/
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
@@ -0,0 +1,16 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <codeStyleSettings language="JAVA">
+      <option name="SPACE_BEFORE_IF_PARENTHESES" value="false" />
+      <option name="SPACE_BEFORE_WHILE_PARENTHESES" value="false" />
+      <option name="SPACE_BEFORE_FOR_PARENTHESES" value="false" />
+      <option name="SPACE_BEFORE_TRY_PARENTHESES" value="false" />
+      <option name="SPACE_BEFORE_CATCH_PARENTHESES" value="false" />
+      <option name="SPACE_BEFORE_SWITCH_PARENTHESES" value="false" />
+      <option name="SPACE_BEFORE_SYNCHRONIZED_PARENTHESES" value="false" />
+      <indentOptions>
+        <option name="CONTINUATION_INDENT_SIZE" value="4" />
+      </indentOptions>
+    </codeStyleSettings>
+  </code_scheme>
+</component>
@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="21" />
+  </component>
+  <component name="JavacSettings">
+    <option name="ADDITIONAL_OPTIONS_OVERRIDE">
+      <module name="Minigames" options="-Xlint:deprecation" />
+      <module name="Minigames.test" options="-Xlint:deprecation" />
+      <module name="eu.mhsl.minenet.Minigames.main" options="-Xlint:deprecation" />
+    </option>
+  </component>
+</project>
@@ -0,0 +1,7 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="UnqualifiedFieldAccess" enabled="true" level="WARNING" enabled_by_default="true" />
+    <inspection_tool class="UnqualifiedMethodAccess" enabled="true" level="WARNING" enabled_by_default="true" />
+  </profile>
+</component>
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven3" />
+      <option name="name" value="maven3" />
+      <option name="url" value="https://oss.sonatype.org/content/repositories/snapshots" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="MavenRepo" />
+      <option name="name" value="MavenRepo" />
+      <option name="url" value="https://repo.maven.apache.org/maven2/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven2" />
+      <option name="name" value="maven2" />
+      <option name="url" value="https://repo.unnamed.team/repository/unnamed-public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven4" />
+      <option name="name" value="maven4" />
+      <option name="url" value="https://jitpack.io" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="Google" />
+      <option name="name" value="Google" />
+      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
+    </remote-repository>
+  </component>
+</project>
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_25" default="true" project-jdk-name="openjdk-25" project-jdk-type="JavaSDK" />
+</project>
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/Minigames.main.iml" filepath="$PROJECT_DIR$/.idea/modules/Minigames.main.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/Minigames.test.iml" filepath="$PROJECT_DIR$/.idea/modules/Minigames.test.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/eu.mhsl.minenet.Minigames.main.iml" filepath="$PROJECT_DIR$/.idea/modules/eu.mhsl.minenet.Minigames.main.iml" />
+    </modules>
+  </component>
+</project>
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module version="4">
+  <component name="FacetManager">
+    <facet type="minecraft" name="Minecraft">
+      <configuration>
+        <autoDetectTypes>
+          <platformType>ADVENTURE</platformType>
+        </autoDetectTypes>
+        <projectReimportVersion>1</projectReimportVersion>
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module version="4">
+  <component name="FacetManager">
+    <facet type="minecraft" name="Minecraft">
+      <configuration>
+        <autoDetectTypes>
+          <platformType>ADVENTURE</platformType>
+        </autoDetectTypes>
+        <projectReimportVersion>1</projectReimportVersion>
+      </configuration>
+    </facet>
+  </component>
+</module>
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module version="4">
+  <component name="FacetManager">
+    <facet type="minecraft" name="Minecraft">
+      <configuration>
+        <autoDetectTypes>
+          <platformType>ADVENTURE</platformType>
+        </autoDetectTypes>
+        <projectReimportVersion>1</projectReimportVersion>
+      </configuration>
+    </facet>
+  </component>
+</module>
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module version="4">
+  <component name="FacetManager">
+    <facet type="minecraft" name="Minecraft">
+      <configuration>
+        <autoDetectTypes>
+          <platformType>ADVENTURE</platformType>
+        </autoDetectTypes>
+        <projectReimportVersion>1</projectReimportVersion>
+      </configuration>
+    </facet>
+  </component>
+</module>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
@@ -3,7 +3,7 @@

 plugins {
    id 'java'
-    id "com.github.johnrengelman.shadow" version "7.1.0"
+    id "com.gradleup.shadow" version "9.6.0"
 }

 group 'eu.mhsl.minenet'
@@ -11,58 +11,33 @@ version '1.0-SNAPSHOT'

 repositories {
    mavenCentral()
-    google()
-
-    maven {
-        url 'https://jitpack.io'
 }

-    maven {
-        url "https://repo.unnamed.team/repository/unnamed-public/"
-    }
-
-    maven {
-        url 'https://oss.sonatype.org/content/repositories/snapshots'
-    }
-}
-
-allprojects {
-    repositories {
-        maven { url "https://jitpack.io" }
-    }
-}
-
-
 java {
    toolchain {
-        languageVersion = JavaLanguageVersion.of(21)
+        languageVersion = JavaLanguageVersion.of(25)
    }
 }

 dependencies {
-    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.9.0'
-    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.9.0'
+    testImplementation 'org.junit.jupiter:junit-jupiter:6.1.2'
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher'

-    //https://jitpack.io/#Minestom/Minestom
-    implementation 'net.minestom:minestom-snapshots:fd51c8d17a'
+    //https://mvnrepository.com/artifact/net.minestom/minestom
+    implementation 'net.minestom:minestom:2026.07.12-26.2'

    //Tools
-    implementation 'de.articdive:jnoise:3.0.2'
+    implementation 'de.articdive:jnoise-pipeline:4.1.0'
+    compileOnly 'it.unimi.dsi:fastutil:8.5.18' // von Minestom nur zur Laufzeit bereitgestellt, fuer BatchUtil-Reflection benoetigt
    implementation 'net.md-5:bungeecord-config:1.21-R0.3'
-    implementation 'org.apache.commons:commons-text:1.10.0'
-    implementation 'org.spongepowered:configurate-yaml:4.1.2'
+    implementation 'org.apache.commons:commons-text:1.15.0'
+    implementation 'org.spongepowered:configurate-yaml:4.2.0'
    implementation 'com.sparkjava:spark-core:2.9.4'
-    implementation 'com.google.code.gson:gson:2.10.1'
-    implementation 'com.google.guava:guava:32.0.1-android'
-
+    implementation 'com.google.code.gson:gson:2.14.0'
+    implementation 'com.google.guava:guava:33.4.8-jre'

    //PvP
-    implementation 'io.github.TogAr2:MinestomPvP:PR62-SNAPSHOT'
-
-    // Hephaestus engine
-    implementation("team.unnamed:hephaestus-api:0.2.1-SNAPSHOT")
-    implementation("team.unnamed:hephaestus-reader-blockbench:0.2.1-SNAPSHOT")
-    implementation("team.unnamed:hephaestus-runtime-minestom:0.2.1-SNAPSHOT")
+    implementation 'io.github.togar2:MinestomPvP:2026.05.30-26.1.1'
 }

 tasks {
@@ -71,8 +46,6 @@ tasks {
            attributes 'Main-Class': 'eu.mhsl.minenet.minigames.Main'
            attributes 'Multi-Release': true
        }
-        duplicatesStrategy = 'exclude'
-        from configurations.compileClasspath.collect { it.isDirectory() ? it : zipTree(it) }
    }
    build {
        dependsOn(shadowJar)
@@ -89,3 +62,7 @@ tasks.register('copyJarToServer', Exec) {

    commandLine 'scp', 'build/libs/Minigames-1.0-SNAPSHOT.jar', 'root@10.20.6.5:/root/minigames'
 }
+
+tasks.withType(JavaCompile) {
+    options.compilerArgs << "-Xlint:deprecation"
+}
@@ -1,7 +1,9 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.10-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.6.1-bin.zip
 networkTimeout=10000
+retries=0
+retryBackOffMs=500
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
@@ -1,7 +1,7 @@
 #!/bin/sh

 #
-# Copyright © 2015-2021 the original authors.
+# Copyright © 2015 the original authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -20,7 +20,7 @@

 ##############################################################################
 #
-#   Gradle start up script for POSIX generated by Gradle.
+#   gradlew start up script for POSIX generated by Gradle.
 #
 #   Important for running:
 #
@@ -29,7 +29,7 @@
 #       bash, then to run this script, type that shell name before the whole
 #       command line, like:
 #
-#           ksh Gradle
+#           ksh gradlew
 #
 #       Busybox and similar reduced shells will NOT work, because this script
 #       requires all of these POSIX shell features:
@@ -57,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/3d91ce3b8caaf77ad09f381f43615b715b53f72c/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -86,8 +86,7 @@ done
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
 # Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
-APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s
-' "$PWD" ) || exit
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit

 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -115,7 +114,6 @@ case "$( uname )" in                #(
  NONSTOP* )        nonstop=true ;;
 esac

-CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar


 # Determine the Java command to use to start the JVM.
@@ -173,7 +171,6 @@ fi
 # For Cygwin or MSYS, switch paths to Windows format before running java
 if "$cygwin" || "$msys" ; then
    APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
-    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )

    JAVACMD=$( cygpath --unix "$JAVACMD" )

@@ -206,15 +203,14 @@ fi
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'

 # Collect all arguments for the java command:
-#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
 #     and any embedded shellness will be escaped.
 #   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
 #     treated as '${Hostname}' itself on the command line.

 set -- \
        "-Dorg.gradle.appname=$APP_BASE_NAME" \
-        -classpath "$CLASSPATH" \
-        org.gradle.wrapper.GradleWrapperMain \
+        -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
        "$@"

 # Stop when "xargs" is not available.
@@ -19,12 +19,12 @@
@if "%DEBUG%"=="" @echo off
@rem ##########################################################################
@rem
-@rem  Gradle startup script for Windows
+@rem  gradlew startup script for Windows
@rem
@rem ##########################################################################

-@rem Set local scope for the variables with windows NT shell
-if "%OS%"=="Windows_NT" setlocal
+@rem Set local scope for the variables, and ensure extensions are enabled
+setlocal EnableExtensions

 set DIRNAME=%~dp0
 if "%DIRNAME%"=="" set DIRNAME=.
@@ -51,7 +51,7 @@ echo. 1>&2
 echo Please set the JAVA_HOME variable in your environment to match the 1>&2
 echo location of your Java installation. 1>&2

-goto fail
+"%COMSPEC%" /c exit 1

 :findJavaFromJavaHome
 set JAVA_HOME=%JAVA_HOME:"=%
@@ -65,30 +65,18 @@ echo. 1>&2
 echo Please set the JAVA_HOME variable in your environment to match the 1>&2
 echo location of your Java installation. 1>&2

-goto fail
+"%COMSPEC%" /c exit 1

 :execute
@rem Setup the command line

-set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar


-@rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+@rem Execute gradlew
+@rem endlocal doesn't take effect until after the line is parsed and variables are expanded
+@rem which allows us to clear the local environment before executing the java command
+endlocal & "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %* & call :exitWithErrorLevel

-:end
-@rem End local scope for the variables with windows NT shell
-if %ERRORLEVEL% equ 0 goto mainEnd
-
-:fail
-rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
-rem the _cmd.exe /c_ return code!
-set EXIT_CODE=%ERRORLEVEL%
-if %EXIT_CODE% equ 0 set EXIT_CODE=1
-if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
-exit /b %EXIT_CODE%
-
-:mainEnd
-if "%OS%"=="Windows_NT" endlocal
-
-:omega
+:exitWithErrorLevel
+@rem Use "%COMSPEC%" /c exit to allow operators to work properly in scripts
+"%COMSPEC%" /c exit %ERRORLEVEL%
@@ -3,12 +3,12 @@ package eu.mhsl.minenet.minigames;
 import eu.mhsl.minenet.minigames.api.HttpServer;
 import eu.mhsl.minenet.minigames.command.Commands;
 import eu.mhsl.minenet.minigames.handler.Listeners;
+import eu.mhsl.minenet.minigames.instance.Dimension;
 import eu.mhsl.minenet.minigames.lang.Languages;
 import eu.mhsl.minenet.minigames.server.tasks.TablistUpdateTask;
+import net.minestom.server.Auth;
 import net.minestom.server.MinecraftServer;
-import net.minestom.server.extras.bungee.BungeeCordProxy;
 import net.minestom.server.extras.lan.OpenToLAN;
-import net.minestom.server.extras.velocity.VelocityProxy;
 import net.minestom.server.timer.TaskSchedule;
 import org.spongepowered.configurate.ConfigurateException;
 import org.spongepowered.configurate.ConfigurationNode;
@@ -24,7 +24,8 @@ public class Main {
    private final static Logger logger = Logger.getGlobal();
    public static ConfigurationNode globalConfig;

-    public static void main(String[] args) throws ConfigurateException {
+    @SuppressWarnings("ResultOfMethodCallIgnored")
+    static void main(String[] args) throws ConfigurateException {
        //noinspection ResultOfMethodCallIgnored
        Resource.values(); // This initializes and preloads the enum and extracts the resources
        Languages.getInstance(); //Preload languages into the jvm
@@ -37,14 +38,31 @@ public class Main {

        ConfigurationNode serverConfig = globalConfig.node("server");

+        // muss vor MinecraftServer.init() gesetzt werden: ServerFlag liest die Properties statisch beim Klassenladen;
+        // bei fehlendem/ungueltigem Config-Wert den Minestom-Default behalten (0 wuerde keine Chunks senden)
+        int viewDistance = serverConfig.node("view-distance").getInt(0);
+        if(viewDistance > 0) {
+            System.setProperty("minestom.chunk-view-distance", String.valueOf(viewDistance));
+        }
+
        logger.info("Initialize Minecraft server...");

-        MinecraftServer server = MinecraftServer.init();
+        Auth auth = new Auth.Offline();
+        if(globalConfig.node("bungeecord", "enabled").getBoolean()) {
+            auth = new Auth.Bungee();
+        } else if(globalConfig.node("velocity", "enabled").getBoolean()) {
+            auth = new Auth.Velocity(Objects.requireNonNull(globalConfig.node("velocity", "secret").getString()));
+        }
+
+        MinecraftServer server = MinecraftServer.init(auth);
 //        MinestomPvP.init();

+        // Dimensionen muessen vor server.start() registriert werden:
+        // seit Minestom 26.x sind die dynamischen Registries nach dem Start eingefroren
+        Dimension.values();
+
        MinecraftServer.setBrandName("mhsl.eu - minenet - credits to minestom");
        MinecraftServer.setCompressionThreshold(serverConfig.node("compression-threshold").getInt(0));
-        System.setProperty("minestom.chunk-view-distance", String.valueOf(serverConfig.node("view-distance").getInt()));

        Commands.values();
        Listeners.values();
@@ -56,12 +74,6 @@ public class Main {

        if(serverConfig.node("open-to-lan").getBoolean()) OpenToLAN.open();

-        if(globalConfig.node("bungeecord", "enabled").getBoolean()) BungeeCordProxy.enable();
-
-        if(globalConfig.node("velocity", "enabled").getBoolean()) {
-            VelocityProxy.enable(Objects.requireNonNull(globalConfig.node("velocity", "secret").getString()));
-        }
-
        server.start("0.0.0.0", serverConfig.node("port").getInt(25565));
        System.gc();

@@ -21,6 +21,7 @@ public enum Resource {

    private final Path path;
    private final String name;
+
    Resource(String name, boolean keepOutdated) {
        this.name = name;
        this.path = Path.of("resources/" + name);
@@ -38,10 +39,10 @@ public enum Resource {
    }

    public Path getPath() {
-        return path;
+        return this.path;
    }

    public String getName() {
-        return name;
+        return this.name;
    }
 }
@@ -12,11 +12,11 @@ public abstract class Controller<Q, R> implements Route {

    @SuppressWarnings("unchecked")
    public Controller() {
-        this.requestType = ((Class<Q>) ((ParameterizedType) getClass().getGenericSuperclass()).getActualTypeArguments()[0]);
+        this.requestType = ((Class<Q>) ((ParameterizedType) this.getClass().getGenericSuperclass()).getActualTypeArguments()[0]);
    }

    @Override
-    public Object handle(Request request, Response response) throws Exception {
+    public Object handle(Request request, Response response) {
        response.header("Access-Control-Allow-Origin", "*");
        response.header("Access-Control-Allow-Methods", "*");

@@ -28,7 +28,7 @@ public abstract class Controller<Q, R> implements Route {
            req = new Gson().fromJson(request.body(), this.requestType);
        }

-        return new Gson().toJson(handle(req, response));
+        return new Gson().toJson(this.handle(req, response));
    }

    public abstract R handle(Q request, Response response);
@@ -10,6 +10,7 @@ import static spark.Spark.*;

 public class HttpServer {
    private static final ConfigurationNode apiConfig = Main.globalConfig.node("api");
+
    public HttpServer() {
        if(!apiConfig.node("enabled").getBoolean()) return;

@@ -6,8 +6,12 @@ import spark.Response;

 import java.util.UUID;

-record Req(UUID room) {}
-record Resp() {}
+record Req(UUID room) {
+}
+
+record Resp() {
+}
+
 public class CloseRoom extends Controller<Req, Resp> {
    @Override
    public Resp handle(Req request, Response response) {
@@ -6,8 +6,12 @@ import spark.Response;

 import java.util.UUID;

-record Req() {}
-record Resp(UUID uuid) {}
+record Req() {
+}
+
+record Resp(UUID uuid) {
+}
+
 public class CreateRoom extends Controller<Req, Resp> {
    @Override
    public Resp handle(Req request, Response response) {
@@ -8,8 +8,12 @@ import spark.Response;

 import java.util.UUID;

-record Req(UUID player, UUID room) {}
-record Resp(String error) {}
+record Req(UUID player, UUID room) {
+}
+
+record Resp(String error) {
+}
+
 public class QueueRoom extends Controller<Req, Resp> {
    @Override
    public Resp handle(Req request, Response response) {
@@ -1,9 +1,8 @@
 package eu.mhsl.minenet.minigames.command;

-import eu.mhsl.minenet.minigames.command.privileged.SkinCommand;
-import eu.mhsl.minenet.minigames.command.privileged.*;
 import eu.mhsl.minenet.minigames.command.anonymous.HubCommand;
 import eu.mhsl.minenet.minigames.command.anonymous.LeaveCommand;
+import eu.mhsl.minenet.minigames.command.privileged.*;
 import eu.mhsl.minenet.minigames.message.Icon;
 import eu.mhsl.minenet.minigames.message.type.ChatMessage;
 import net.minestom.server.MinecraftServer;
@@ -21,7 +20,6 @@ public enum Commands {
    ROOM(new RoomCommand()),
    UPDATE(new RefreshCommandsCommand()),
    OP(new OpCommand()),
-    FAKEPLAYER(new FakeplayerCommand()),
    KICK(new KickCommand()),
    SKIN(new SkinCommand()),
    SETOWNER(new SetRoomOwnerCommand()),
@@ -34,14 +32,18 @@ public enum Commands {
    PLAYERLIMIT(new PlayerLimitCommand()),
    SETMEMORIAL(new SetMemorialCommand());

-    Commands(Command handler) {
-        MinecraftServer.getCommandManager().register(handler);
-    }
-
    static {
        MinecraftServer.getCommandManager().setUnknownCommandCallback((sender, command) -> {
            if(command.isBlank()) return;
-            new ChatMessage(Icon.ERROR).appendStatic("Unknown command: ").quote(command).send(sender);
+            new ChatMessage(Icon.ERROR)
+                .appendTranslated("common#unknownCommand")
+                .appendSpace()
+                .quote(command)
+                .send(sender);
        });
    }
+
+    Commands(Command handler) {
+        MinecraftServer.getCommandManager().register(handler);
+    }
 }
@@ -11,20 +11,21 @@ import java.util.List;

 public class PrivilegedCommand extends Command {
    private final List<CommandCondition> conditions = new ArrayList<>();
+
    public PrivilegedCommand(@NotNull String name, @Nullable String... aliases) {
        super(name, aliases);
-        construct();
+        this.construct();
    }

    public PrivilegedCommand(@NotNull String name) {
        super(name);
-        construct();
+        this.construct();
    }

    private void construct() {
-        addCondition(isPrivileged());
+        this.addCondition(this.isPrivileged());

-        setCondition((sender, commandString) -> conditions.parallelStream().allMatch(condition -> condition.canUse(sender, commandString)));
+        this.setCondition((sender, commandString) -> this.conditions.parallelStream().allMatch(condition -> condition.canUse(sender, commandString)));
    }

    protected CommandCondition isPrivileged() {
@@ -32,6 +33,6 @@ public class PrivilegedCommand extends Command {
    }

    protected void addCondition(CommandCondition condition) {
-        conditions.add(condition);
+        this.conditions.add(condition);
    }
 }
@@ -1,8 +1,8 @@
 package eu.mhsl.minenet.minigames.command.anonymous;

-import eu.mhsl.minenet.minigames.util.MoveInstance;
 import eu.mhsl.minenet.minigames.instance.hub.Hub;
 import eu.mhsl.minenet.minigames.instance.room.Room;
+import eu.mhsl.minenet.minigames.util.MoveInstance;
 import net.minestom.server.command.builder.Command;
 import net.minestom.server.entity.Player;

@@ -10,12 +10,12 @@ public class HubCommand extends Command {
    public HubCommand() {
        super("hub");

-        setCondition(
+        this.setCondition(
            (sender, commandString) ->
                ((Player) sender).getInstance() instanceof Room room && !room.apiDriven
        );

-        setDefaultExecutor((sender, context) -> {
+        this.setDefaultExecutor((sender, context) -> {
            if(Room.getRoom((Player) sender).orElseThrow().apiDriven) return;
            Room.unsetRoom((Player) sender);
            MoveInstance.move((Player) sender, Hub.INSTANCE);
@@ -9,8 +9,8 @@ public class LeaveCommand extends Command {
    public LeaveCommand() {
        super("leave");

-        setCondition((sender, commandString) -> ((Player) sender).getInstance() instanceof Game);
+        this.setCondition((sender, commandString) -> ((Player) sender).getInstance() instanceof Game);

-        setDefaultExecutor((sender, context) -> Room.setOwnRoom((Player) sender));
+        this.setDefaultExecutor((sender, context) -> Room.setOwnRoom((Player) sender));
    }
 }
@@ -14,15 +14,15 @@ public class DebugCommand extends PrivilegedCommand {
    public DebugCommand() {
        super("debug");

-        setDefaultExecutor((sender, args) -> {
+        this.setDefaultExecutor((sender, args) -> {
            new ChatMessage(Icon.CHAT).appendTranslated("sample").send(sender);
            new ActionBarMessage().appendTranslated("sample").send(sender);
            new TitleMessage().subtitle(subtitleMessage -> subtitleMessage.appendTranslated("sample")).appendTranslated("sample").send(sender);
            List<String> testplayers = new ArrayList<>() {
                {
-                    add("MineTec");
-                    add("Goldi187");
-                    add("Test");
+                    this.add("MineTec");
+                    this.add("Goldi187");
+                    this.add("Test");
                }
            };
            new ChatMessage(Icon.STAR, true)
@@ -1,31 +0,0 @@
-package eu.mhsl.minenet.minigames.command.privileged;
-
-import eu.mhsl.minenet.minigames.command.PrivilegedCommand;
-import eu.mhsl.minenet.minigames.instance.room.Room;
-import eu.mhsl.minenet.minigames.message.Icon;
-import eu.mhsl.minenet.minigames.message.type.ChatMessage;
-import net.minestom.server.command.builder.arguments.ArgumentType;
-import net.minestom.server.entity.Player;
-
-import java.util.UUID;
-
-public class FakeplayerCommand extends PrivilegedCommand {
-    public FakeplayerCommand() {
-        super("fakeplayer");
-
-        addSyntax((sender, context) -> {
-            if(sender instanceof Player p) {
-                if(p.getInstance() instanceof Room room) {
-//                    FakePlayer.initPlayer( // TODO FakePlayer does no longer exists
-//                        UUID.randomUUID(),
-//                        context.getRaw("name"),
-//                        new FakePlayerOption().setInTabList(true).setRegistered(true),
-//                        fakePlayer -> Room.setRoom(fakePlayer, room)
-//                    );
-                } else {
-                    new ChatMessage(Icon.ERROR).appendStatic("Du musst dich in einer Raumlobby befinden!").send(sender);
-                }
-            }
-        }, ArgumentType.String("name"));
-    }
-}
@@ -8,7 +8,7 @@ public class FlyCommand extends PrivilegedCommand {
    public FlyCommand() {
        super("fly");

-        setDefaultExecutor((sender, context) -> {
+        this.setDefaultExecutor((sender, context) -> {
            Player p = (Player) sender;
            p.setVelocity(new Vec(0, 5, 0));
            p.setFlying(!p.isFlying());
@@ -7,7 +7,7 @@ import net.minestom.server.entity.Player;
 public class GameStartCommand extends PrivilegedCommand {
    public GameStartCommand() {
        super("gameStart");
-        setDefaultExecutor((sender, context) -> {
+        this.setDefaultExecutor((sender, context) -> {
            Player player = (Player) sender;
            if(player.getInstance() instanceof StatelessGame game) {
                game.startAccessor();
@@ -7,7 +7,7 @@ import net.minestom.server.entity.Player;
 public class GameStopCommand extends PrivilegedCommand {
    public GameStopCommand() {
        super("gameStop");
-        setDefaultExecutor((sender, context) -> {
+        this.setDefaultExecutor((sender, context) -> {
            Player player = (Player) sender;
            if(player.getInstance() instanceof StatelessGame game) {
                game.stop();
@@ -12,7 +12,7 @@ public class GameTimeoutCommand extends PrivilegedCommand {

        ArgumentInteger timeout = ArgumentType.Integer("timeout");

-        addSyntax((sender, context) -> {
+        this.addSyntax((sender, context) -> {
            Player player = (Player) sender;
            if(player.getInstance() instanceof StatelessGame game) {
                game.setTimeLimit(context.get(timeout));
@@ -11,7 +11,7 @@ public class GamemodeCommand extends PrivilegedCommand {
        super("gamemode", "gm");


-        addSyntax((sender, context) -> ((Player) sender).setGameMode(
+        this.addSyntax((sender, context) -> ((Player) sender).setGameMode(
                context.get("target")),
            ArgumentType.Enum("target", GameMode.class).setFormat(ArgumentEnum.Format.LOWER_CASED)
        );
@@ -1,16 +1,17 @@
 package eu.mhsl.minenet.minigames.command.privileged;

 import eu.mhsl.minenet.minigames.command.PrivilegedCommand;
-import eu.mhsl.minenet.minigames.message.type.ChatMessage;
 import eu.mhsl.minenet.minigames.message.Icon;
+import eu.mhsl.minenet.minigames.message.type.ChatMessage;
 import eu.mhsl.minenet.minigames.util.Monitoring;

 public class GcCommand extends PrivilegedCommand {
    private static long lastRun = System.currentTimeMillis();
+
    public GcCommand() {
        super("gc");

-        setDefaultExecutor((sender, context) -> {
+        this.setDefaultExecutor((sender, context) -> {
            long nextRun = (lastRun - (System.currentTimeMillis() - 30 * 1000)) / 1000;
            if(nextRun > 0) {
                new ChatMessage(Icon.ERROR).appendStatic("Please wait ").appendStatic(String.valueOf(nextRun)).appendStatic(" seconds before running GC again!").send(sender);
@@ -13,7 +13,7 @@ public class InstanceProxyMoveCommand extends PrivilegedCommand {

        ArgumentWord serverArgument = new ArgumentWord("server");

-        addSyntax((sender, context) -> {
+        this.addSyntax((sender, context) -> {
            Instance room = ((Player) sender).getInstance();
            room.getPlayers().forEach(player -> {
                Room.unsetRoom(player);
@@ -11,15 +11,15 @@ public class KickCommand extends PrivilegedCommand {
    public KickCommand() {
        super("kick");

-        addSyntax(
+        this.addSyntax(
            (sender, context) ->
-                kick(context.getRaw("player"), ""),
+                this.kick(context.getRaw("player"), ""),
            ArgumentType.Entity("player").onlyPlayers(true)
        );

-        addSyntax(
+        this.addSyntax(
            (sender, context) ->
-                kick(context.getRaw("player"), context.getRaw("reason")),
+                this.kick(context.getRaw("player"), context.getRaw("reason")),
            ArgumentType.Entity("player").onlyPlayers(true),
            ArgumentType.String("reason")
        );
@@ -1,8 +1,8 @@
 package eu.mhsl.minenet.minigames.command.privileged;

 import eu.mhsl.minenet.minigames.command.PrivilegedCommand;
-import eu.mhsl.minenet.minigames.lang.Languages;
 import eu.mhsl.minenet.minigames.lang.Lang;
+import eu.mhsl.minenet.minigames.lang.Languages;
 import eu.mhsl.minenet.minigames.message.Icon;
 import eu.mhsl.minenet.minigames.message.TranslatableMessage;
 import eu.mhsl.minenet.minigames.message.type.ChatMessage;
@@ -13,11 +13,11 @@ public class LangTestCommand extends PrivilegedCommand {
    public LangTestCommand() {
        super("langtest");

-        setDefaultExecutor((sender, context) -> sendMessage(Languages.getInstance().getLanguage((Player) sender), "sample").send(sender));
+        this.setDefaultExecutor((sender, context) -> this.sendMessage(Languages.getInstance().getLanguage((Player) sender), "sample").send(sender));

        var targetString = ArgumentType.String("mapId");

-        addSyntax((sender, context) -> sendMessage(Languages.getInstance().getLanguage((Player) sender), context.get("mapId")).send(sender), targetString);
+        this.addSyntax((sender, context) -> this.sendMessage(Languages.getInstance().getLanguage((Player) sender), context.get("mapId")).send(sender), targetString);
    }

    private TranslatableMessage sendMessage(Lang lang, String mapId) {
@@ -11,7 +11,7 @@ public class OpCommand extends PrivilegedCommand {
    public OpCommand() {
        super("op");

-        addSyntax((sender, context) -> {
+        this.addSyntax((sender, context) -> {
            Player target = MinecraftServer.getConnectionManager().getOnlinePlayerByUsername(context.getRaw("target"));
            if(target != null) {
                target.setPermissionLevel(4);
@@ -10,8 +10,9 @@ public class PlayerLimitCommand extends PrivilegedCommand {

        ArgumentInteger count = ArgumentType.Integer("count");

-        addSyntax((sender, context) -> {
-            System.setProperty("minenet.playerlimit", String.valueOf(context.get(count)));
-        }, count);
+        this.addSyntax((sender, context) -> System.setProperty(
+            "minenet.playerlimit",
+            String.valueOf(context.get(count))
+        ), count);
    }
 }
@@ -13,10 +13,11 @@ import java.net.http.HttpResponse;

 public class PublishRewardCommand extends PrivilegedCommand {
    private final HttpClient rewardPublishClient = HttpClient.newHttpClient();
+
    public PublishRewardCommand() {
        super("publishReward");

-        setDefaultExecutor((sender, context) -> {
+        this.setDefaultExecutor((sender, context) -> {
            try {
                Room room = Room.getRoom((Player) sender).orElseThrow();
                TournamentDisplay world = new TournamentDisplay(room.getTournament());
@@ -24,12 +25,12 @@ public class PublishRewardCommand extends PrivilegedCommand {

                String rewardRequestJson = new Gson().toJson(room.getTournament().getRewards());
                HttpRequest giveRewardsRequest = HttpRequest.newBuilder()
-                        .uri(new URI("http://10.20.7.1:8080/api/event/reward"))
+                    .uri(new URI("http://10.20.9.3:8080/api/event/reward"))
                    .POST(HttpRequest.BodyPublishers.ofString(rewardRequestJson))
                    .build();

                room.getTournament().getRewards();
-                HttpResponse<Void> rawResponse = rewardPublishClient.send(giveRewardsRequest, HttpResponse.BodyHandlers.discarding());
+                HttpResponse<Void> rawResponse = this.rewardPublishClient.send(giveRewardsRequest, HttpResponse.BodyHandlers.discarding());
                sender.sendMessage(String.format("Rewards published: HTTP %s", rawResponse.statusCode()));
            } catch(Exception e) {
                sender.sendMessage(e.getMessage());
@@ -1,8 +1,8 @@
 package eu.mhsl.minenet.minigames.command.privileged;

 import eu.mhsl.minenet.minigames.command.PrivilegedCommand;
-import eu.mhsl.minenet.minigames.message.type.ChatMessage;
 import eu.mhsl.minenet.minigames.message.Icon;
+import eu.mhsl.minenet.minigames.message.type.ChatMessage;
 import net.minestom.server.MinecraftServer;
 import net.minestom.server.entity.Player;

@@ -10,7 +10,7 @@ public class RefreshCommandsCommand extends PrivilegedCommand {
    public RefreshCommandsCommand() {
        super("refreshCommands");

-        setDefaultExecutor((sender, context) -> {
+        this.setDefaultExecutor((sender, context) -> {
            MinecraftServer.getConnectionManager().getOnlinePlayers().forEach(Player::refreshCommands);
            new ChatMessage(Icon.SUCCESS).appendStatic("Updated command syntax!").send(sender);
        });
@@ -1,10 +1,10 @@
 package eu.mhsl.minenet.minigames.command.privileged;

 import eu.mhsl.minenet.minigames.command.PrivilegedCommand;
+import eu.mhsl.minenet.minigames.instance.room.Room;
 import eu.mhsl.minenet.minigames.message.Icon;
 import eu.mhsl.minenet.minigames.message.TranslatableMessage;
 import eu.mhsl.minenet.minigames.message.type.ChatMessage;
-import eu.mhsl.minenet.minigames.instance.room.Room;
 import net.minestom.server.entity.Player;

 import java.util.stream.Collectors;
@@ -13,7 +13,7 @@ public class RoomCommand extends PrivilegedCommand {
    public RoomCommand() {
        super("room");

-        setDefaultExecutor((sender, context) -> {
+        this.setDefaultExecutor((sender, context) -> {
            TranslatableMessage out = new ChatMessage(Icon.SCIENCE).appendStatic("Rooms:").newLine();

            Room.getAllRooms().forEach((roomInstance) -> out
@@ -20,22 +20,22 @@ public class SetMemorialCommand extends PrivilegedCommand {
        ArgumentString titleArgument = ArgumentType.String("title");
        ArgumentString loreArgument = ArgumentType.String("lore");

-        materialArgument.setSuggestionCallback((sender, context, suggestion) -> {
-            Material
+        materialArgument.setSuggestionCallback(
+            (sender, context, suggestion) -> Material
                .values()
                .stream()
                .map(material -> new SuggestionEntry(material.name(), Component.text(material.name())))
-                    .forEach(suggestion::addEntry);
-        });
+                .forEach(suggestion::addEntry)
+        );

-        addSyntax((sender, context) -> {
+        this.addSyntax((sender, context) -> {
            Room
                .getRoom((Player) sender)
                .orElseThrow()
                .getTournament()
                .setMemorialConfiguration(
                    new MemorialConfiguration(
-                                    Material.fromNamespaceId(context.get(materialArgument)),
+                        Material.fromKey(context.get(materialArgument)),
                        context.get(titleArgument),
                        context.get(loreArgument)
                    )
@@ -22,22 +22,22 @@ public class SetRewardCommand extends PrivilegedCommand {
        ArgumentWord materialArgument = ArgumentType.Word("material");
        ArgumentStringArray amountsArgument = ArgumentType.StringArray("amount");

-        materialArgument.setSuggestionCallback((sender, context, suggestion) -> {
-            Material
+        materialArgument.setSuggestionCallback(
+            (sender, context, suggestion) -> Material
                .values()
                .stream()
                .map(material -> new SuggestionEntry(material.name(), Component.text(material.name())))
-                    .forEach(suggestion::addEntry);
-        });
+                .forEach(suggestion::addEntry)
+        );

-        addSyntax((sender, context) -> {
+        this.addSyntax((sender, context) -> {
            Room
                .getRoom((Player) sender)
                .orElseThrow()
                .getTournament()
                .setRewardConfiguration(
                    new RewardConfiguration(
-                                    Material.fromNamespaceId(context.get(materialArgument)),
+                        Material.fromKey(context.get(materialArgument)),
                        Arrays.stream(context.get(amountsArgument)).map(Integer::valueOf).collect(Collectors.toList())
                    )
                );
@@ -15,21 +15,21 @@ public class SetRoomOwnerCommand extends PrivilegedCommand {
    public SetRoomOwnerCommand() {
        super("setRoomOwner");

-        addCondition((sender, commandString) -> ((Player) sender).getInstance() instanceof Room);
+        this.addCondition((sender, commandString) -> ((Player) sender).getInstance() instanceof Room);

-        setDefaultExecutor((sender, context) -> {
+        this.setDefaultExecutor((sender, context) -> {
            if(sender instanceof Player p) {
                Room.getRoom(p).orElseThrow().setOwner(p);
-                new ChatMessage(Icon.SUCCESS).appendStatic("You are now the owner of this room!").send(sender);
+                new ChatMessage(Icon.SUCCESS).appendTranslated("room#ownerSelf").send(sender);
            }
        });

-        addSyntax((sender, context) -> {
+        this.addSyntax((sender, context) -> {
            System.out.println("Test");
            if(sender instanceof Player p) {
                Player newOwner = MinecraftServer.getConnectionManager().getOnlinePlayerByUsername(context.getRaw("player"));
                Room.getRoom(p).orElseThrow().setOwner(Objects.requireNonNull(newOwner));
-                new ChatMessage(Icon.SUCCESS).appendStatic("The new owner has been set!").send(sender);
+                new ChatMessage(Icon.SUCCESS).appendTranslated("room#ownerSet").send(sender);
            }
        }, ArgumentType.Entity("player").onlyPlayers(true));
    }
@@ -9,7 +9,7 @@ public class SkinCommand extends PrivilegedCommand {
    public SkinCommand() {
        super("skin");

-        addSyntax((sender, context) -> {
+        this.addSyntax((sender, context) -> {
            if(sender instanceof Player p) {
                p.setSkin(PlayerSkin.fromUsername(context.getRaw("target")));
            }
@@ -1,13 +1,19 @@
 package eu.mhsl.minenet.minigames.handler;

-import eu.mhsl.minenet.minigames.handler.global.*;
+import eu.mhsl.minenet.minigames.handler.global.AddEntityToInstanceEventListener;
+import eu.mhsl.minenet.minigames.handler.global.ChatFormatHandler;
+import eu.mhsl.minenet.minigames.handler.global.PlayerFreezeHandler;
+import eu.mhsl.minenet.minigames.handler.global.PlayerLeaveHandler;
+import eu.mhsl.minenet.minigames.handler.global.PlayerLoginHandler;
 import net.minestom.server.MinecraftServer;
 import net.minestom.server.event.EventListener;

 public enum Listeners {
    SPAWN(new AddEntityToInstanceEventListener()),
    LOGIN(new PlayerLoginHandler()),
-    LEAVE(new PlayerLeaveHandler());
+    LEAVE(new PlayerLeaveHandler()),
+    FREEZE(new PlayerFreezeHandler()),
+    CHAT(new ChatFormatHandler());

    Listeners(EventListener<?> event) {
        MinecraftServer.getGlobalEventHandler().addListener(event);
@@ -0,0 +1,29 @@
+package eu.mhsl.minenet.minigames.handler.global;
+
+import eu.mhsl.minenet.minigames.message.Icon;
+import eu.mhsl.minenet.minigames.message.type.ChatMessage;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.minestom.server.event.EventListener;
+import net.minestom.server.event.player.PlayerChatEvent;
+import org.jetbrains.annotations.NotNull;
+
+public class ChatFormatHandler implements EventListener<PlayerChatEvent> {
+    @Override
+    public @NotNull Class<PlayerChatEvent> eventType() {
+        return PlayerChatEvent.class;
+    }
+
+    @Override
+    public @NotNull Result run(@NotNull PlayerChatEvent event) {
+        NamedTextColor color = event.getPlayer().getPermissionLevel() > 0 ? NamedTextColor.AQUA : NamedTextColor.GRAY;
+        event.setFormattedMessage(
+            new ChatMessage(Icon.CHAT)
+                .appendStatic(Component.text(event.getPlayer().getUsername(), color))
+                .appendStatic(Component.text(" > ", NamedTextColor.DARK_GRAY))
+                .appendStatic(event.getRawMessage())
+                .build(event.getPlayer())
+        );
+        return Result.SUCCESS;
+    }
+}
@@ -0,0 +1,43 @@
+package eu.mhsl.minenet.minigames.handler.global;
+
+import net.minestom.server.coordinate.Pos;
+import net.minestom.server.entity.Player;
+import net.minestom.server.event.EventListener;
+import net.minestom.server.event.player.PlayerTickEvent;
+import net.minestom.server.instance.Instance;
+import net.minestom.server.instance.block.Block;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Weder Minestom noch MinestomPvP verwalten die TICKS_FROZEN-Metadata. Der 26.x-Client baut das
+ * Freeze-Overlay bei Powder-Snow-Kontakt zwar selbst auf, der Abbau ist aber server-authoritative —
+ * ohne diese Vanilla-Logik bleibt das Overlay dauerhaft haengen (auch ueber Instanzwechsel hinweg).
+ */
+public class PlayerFreezeHandler implements EventListener<PlayerTickEvent> {
+    private static final int TICKS_REQUIRED_TO_FREEZE = 140;
+
+    @Override
+    public @NotNull Class<PlayerTickEvent> eventType() {
+        return PlayerTickEvent.class;
+    }
+
+    @Override
+    public @NotNull Result run(@NotNull PlayerTickEvent event) {
+        Player p = event.getPlayer();
+        Instance instance = p.getInstance();
+        if(instance == null) return Result.SUCCESS;
+
+        Pos pos = p.getPosition();
+        boolean inPowderSnow = instance.getBlock(pos).compare(Block.POWDER_SNOW)
+            || instance.getBlock(pos.add(0, 1, 0)).compare(Block.POWDER_SNOW);
+
+        int ticksFrozen = p.getEntityMeta().getTickFrozen();
+        if(inPowderSnow) {
+            p.getEntityMeta().setTickFrozen(Math.min(TICKS_REQUIRED_TO_FREEZE, ticksFrozen + 1));
+        } else if(ticksFrozen > 0) {
+            p.getEntityMeta().setTickFrozen(Math.max(0, ticksFrozen - 2));
+        }
+
+        return Result.SUCCESS;
+    }
+}
@@ -1,5 +1,9 @@
 package eu.mhsl.minenet.minigames.handler.global;

+import eu.mhsl.minenet.minigames.message.Icon;
+import eu.mhsl.minenet.minigames.message.type.ChatMessage;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.minestom.server.MinecraftServer;
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.EventListener;
 import net.minestom.server.event.player.PlayerDisconnectEvent;
@@ -14,7 +18,11 @@ public class PlayerLeaveHandler implements EventListener<PlayerDisconnectEvent>
    @Override
    public @NotNull Result run(@NotNull PlayerDisconnectEvent event) {
        Player p = event.getPlayer();
-//        new ChatMessage(Icon.SCIENCE).appendStatic("unübersetzter Leavetext: ").appendStatic(p.getDisplayName()).send(MinecraftServer.getConnectionManager().getOnlinePlayers());
+        new ChatMessage(Icon.LEAVE)
+            .appendStatic(p.getName().color(NamedTextColor.GRAY))
+            .appendSpace()
+            .appendTranslated("common#leave", NamedTextColor.DARK_GRAY)
+            .send(MinecraftServer.getConnectionManager().getOnlinePlayers());
        return Result.SUCCESS;
    }
 }
@@ -2,13 +2,13 @@ package eu.mhsl.minenet.minigames.handler.global;

 import eu.mhsl.minenet.minigames.Main;
 import eu.mhsl.minenet.minigames.api.QueuedPlayerRooms;
+import eu.mhsl.minenet.minigames.instance.hub.Hub;
 import eu.mhsl.minenet.minigames.instance.room.Room;
 import eu.mhsl.minenet.minigames.instance.transfer.Transfer;
 import eu.mhsl.minenet.minigames.skin.SkinCache;
 import eu.mhsl.minenet.minigames.util.MoveInstance;
 import net.minestom.server.MinecraftServer;
 import net.minestom.server.entity.Player;
-import eu.mhsl.minenet.minigames.instance.hub.Hub;
 import net.minestom.server.event.EventListener;
 import net.minestom.server.event.player.AsyncPlayerConfigurationEvent;
 import net.minestom.server.network.packet.server.play.TeamsPacket;
@@ -61,12 +61,11 @@ public class PlayerLoginHandler implements EventListener<AsyncPlayerConfiguratio
            if(Objects.requireNonNull(Main.globalConfig.node("admins").getList(String.class)).stream().anyMatch(s -> s.equalsIgnoreCase(p.getUsername()))) {
                p.setPermissionLevel(4);
            }
-        } catch (SerializationException | NullPointerException ignored) {}
+        } catch(SerializationException | NullPointerException ignored) {
+        }

        Logger.getLogger("user").info(p.getUsername() + " joined");

-//        new ChatMessage(Icon.SCIENCE).appendStatic("unübersetzter Jointext: ").appendStatic(p.getUsername()).send(MinecraftServer.getConnectionManager().getOnlinePlayers());
-
        return Result.SUCCESS;
    }
 }
@@ -1,48 +1,85 @@
 package eu.mhsl.minenet.minigames.instance;

+import net.kyori.adventure.key.Key;
 import net.minestom.server.MinecraftServer;
-import net.minestom.server.registry.DynamicRegistry;
-import net.minestom.server.utils.NamespaceID;
+import net.minestom.server.registry.RegistryKey;
+import net.minestom.server.registry.RegistryTag;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.format.TextColor;
 import net.minestom.server.world.DimensionType;
+import net.minestom.server.world.attribute.EnvironmentAttribute;
+import net.minestom.server.world.clock.WorldClock;
+import net.minestom.server.world.timeline.Timeline;

 /**
 * Prebuilt dimensions
 */
 public enum Dimension {
    OVERWORLD(
-            NamespaceID.from("minenet:fullbright_overworld"),
+        Key.key("minenet:fullbright_overworld"),
        DimensionType
            .builder()
-                    .ambientLight(2.0f)
+            // Fullbright: seit MC 26.1 laeuft die Grundhelligkeit ueber das Environment-Attribut
+            // AMBIENT_LIGHT_COLOR (Vanilla-Overworld: #0A0A0A); der alte ambientLight-2.0-Hack
+            // liegt ausserhalb der validen Range und bricht das Client-Rendering
+            .setAttribute(EnvironmentAttribute.AMBIENT_LIGHT_COLOR, NamedTextColor.WHITE)
+            // defaultClock noetig, damit Instance#setTime/#defaultClock funktionieren (sonst null); Timelines wie Vanilla-Overworld
+            .defaultClock(WorldClock.OVERWORLD)
+            .timelines(RegistryTag.direct(Timeline.DAY, Timeline.MOON, Timeline.EARLY_GAME, Timeline.VILLAGER_SCHEDULE))
            .build()
    ),

    NETHER(
-            NamespaceID.from("minenet:fullbright_nether"),
+        Key.key("minenet:fullbright_nether"),
        DimensionType
            .builder()
-                    .ambientLight(2.0f)
-                    .effects("minecraft:the_nether")
+            // Fullbright: seit MC 26.1 laeuft die Grundhelligkeit ueber das Environment-Attribut
+            // AMBIENT_LIGHT_COLOR (Vanilla-Overworld: #0A0A0A); der alte ambientLight-2.0-Hack
+            // liegt ausserhalb der validen Range und bricht das Client-Rendering
+            .setAttribute(EnvironmentAttribute.AMBIENT_LIGHT_COLOR, NamedTextColor.WHITE)
+            .skybox(DimensionType.Skybox.NONE)
+            .defaultClock(WorldClock.OVERWORLD)
+            .timelines(RegistryTag.direct(Timeline.VILLAGER_SCHEDULE))
            .build()
    ),

    THE_END(
-            NamespaceID.from("minenet:fullbright_end"),
+        Key.key("minenet:fullbright_end"),
        DimensionType
            .builder()
-                    .ambientLight(2.0f)
-                    .effects("minecraft:the_end")
+            // Fullbright: seit MC 26.1 laeuft die Grundhelligkeit ueber das Environment-Attribut
+            // AMBIENT_LIGHT_COLOR (Vanilla-Overworld: #0A0A0A); der alte ambientLight-2.0-Hack
+            // liegt ausserhalb der validen Range und bricht das Client-Rendering
+            .setAttribute(EnvironmentAttribute.AMBIENT_LIGHT_COLOR, NamedTextColor.WHITE)
+            .skybox(DimensionType.Skybox.END)
+            .defaultClock(WorldClock.THE_END)
+            .timelines(RegistryTag.direct(Timeline.VILLAGER_SCHEDULE))
+            .build()
+    ),
+
+    BACKROOMS(
+        Key.key("minenet:backrooms"),
+        DimensionType
+            .builder()
+            // Sehr dunkles Grundlicht (knapp ueber Vanilla-Overworld #0A0A0A): die eigentliche
+            // Helligkeit kommt aus echten Lichtquellen via LightingChunk — Blackout-Biome
+            // sind dadurch tatsaechlich dunkel, mit weichen Uebergaengen am Zonenrand
+            .setAttribute(EnvironmentAttribute.AMBIENT_LIGHT_COLOR, TextColor.color(0x16160F))
+            .skybox(DimensionType.Skybox.NONE)
+            .defaultClock(WorldClock.OVERWORLD)
+            .timelines(RegistryTag.direct(Timeline.VILLAGER_SCHEDULE))
            .build()
    );

    public final DimensionType DIMENSION;
-    public final NamespaceID namespaceID;
-    public final DynamicRegistry.Key<DimensionType> key;
-    Dimension(NamespaceID namespaceID, DimensionType dimType) {
+    public final Key namespaceID;
+    public final RegistryKey<DimensionType> key;
+
+    Dimension(Key namespaceID, DimensionType dimType) {
        this.DIMENSION = dimType;
        this.namespaceID = namespaceID;

-        this.key = MinecraftServer.getDimensionTypeRegistry().register(namespaceID, DIMENSION);
+        this.key = MinecraftServer.getDimensionTypeRegistry().register(namespaceID, this.DIMENSION);
    }

 }
@@ -1,25 +1,32 @@
 package eu.mhsl.minenet.minigames.instance;

 import eu.mhsl.minenet.minigames.message.component.TranslatedComponent;
+import net.kyori.adventure.key.Key;
 import net.minestom.server.MinecraftServer;
 import net.minestom.server.entity.Player;
 import net.minestom.server.event.instance.AddEntityToInstanceEvent;
 import net.minestom.server.event.instance.RemoveEntityFromInstanceEvent;
 import net.minestom.server.instance.Instance;
 import net.minestom.server.instance.InstanceContainer;
-import net.minestom.server.instance.InstanceManager;
-import net.minestom.server.registry.DynamicRegistry;
+import net.minestom.server.registry.RegistryKey;
 import net.minestom.server.timer.TaskSchedule;
 import net.minestom.server.world.DimensionType;

 import java.util.UUID;

 public class MineNetInstance extends InstanceContainer {
-    public MineNetInstance(DynamicRegistry.Key<DimensionType> type) {
-        super(UUID.randomUUID(), type);
+    public MineNetInstance(RegistryKey<DimensionType> type) {
+        this(UUID.randomUUID(), type);
+    }
+
+    // Eindeutiger Dimension-Name pro Instanz: Minestom entscheidet anhand dieses Namens (nicht des
+    // DimensionTypes), ob beim setInstance das volle Respawn-Protokoll gefahren wird. Ohne den Reset
+    // rendert der 26.x-Client nach einem Wechsel zwischen Instanzen gleicher Dimension keine Chunks.
+    private MineNetInstance(UUID uuid, RegistryKey<DimensionType> type) {
+        super(uuid, type, Key.key("minenet", "instance-" + uuid));
        MinecraftServer.getInstanceManager().registerInstance(this);

-        eventNode()
+        this.eventNode()
            .addListener(AddEntityToInstanceEvent.class, this::onEntityAdd)
            .addListener(RemoveEntityFromInstanceEvent.class, this::onEntityRemove);
    }
@@ -38,6 +45,7 @@ public class MineNetInstance extends InstanceContainer {

    /**
     * Called when Player joins this instance
+     *
     * @param p player who is joining
     * @return setCanceled
     */
@@ -47,18 +55,15 @@ public class MineNetInstance extends InstanceContainer {

    /**
     * Called when Player leaves this instance
+     *
     * @param p player who is leaving
     */
    protected void onPlayerLeave(Player p) {

    }

-    /**
-     *
-     * @param target
-     */
    public void destroy(Instance target) {
-        getPlayers().forEach(player -> {
+        this.getPlayers().forEach(player -> {
            if(target != null)
                player.setInstance(target);
            else
@@ -1,14 +1,14 @@
 package eu.mhsl.minenet.minigames.instance.game;

 import eu.mhsl.minenet.minigames.instance.MineNetInstance;
+import eu.mhsl.minenet.minigames.instance.Spawnable;
 import eu.mhsl.minenet.minigames.instance.game.stateless.config.GameFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.config.Option;
+import eu.mhsl.minenet.minigames.instance.room.Room;
 import eu.mhsl.minenet.minigames.message.Icon;
 import eu.mhsl.minenet.minigames.message.type.ChatMessage;
 import eu.mhsl.minenet.minigames.score.Score;
 import eu.mhsl.minenet.minigames.util.CommonEventHandles;
-import eu.mhsl.minenet.minigames.instance.Spawnable;
-import eu.mhsl.minenet.minigames.instance.room.Room;
 import net.minestom.server.MinecraftServer;
 import net.minestom.server.coordinate.Pos;
 import net.minestom.server.entity.Player;
@@ -16,7 +16,7 @@ import net.minestom.server.event.item.ItemDropEvent;
 import net.minestom.server.event.player.PlayerBlockBreakEvent;
 import net.minestom.server.event.player.PlayerBlockPlaceEvent;
 import net.minestom.server.event.player.PlayerMoveEvent;
-import net.minestom.server.registry.DynamicRegistry;
+import net.minestom.server.registry.RegistryKey;
 import net.minestom.server.timer.ExecutionType;
 import net.minestom.server.timer.TaskSchedule;
 import net.minestom.server.world.DimensionType;
@@ -28,51 +28,38 @@ import java.util.concurrent.CompletableFuture;
 import java.util.logging.Logger;

 public abstract class Game extends MineNetInstance implements Spawnable {
-
+    protected final Random rnd = new Random();
+    protected final Logger logger;
    protected Room parentRoom;
    protected boolean isRunning = false;
    protected boolean isBeforeBeginning = true;

-    protected final Random rnd = new Random(); //TODO better way than ths?
-
-    protected final Logger logger;
-
-    public Game(DynamicRegistry.Key<DimensionType> dimensionType) {
+    public Game(RegistryKey<DimensionType> dimensionType) {
        super(dimensionType);

        MinecraftServer.getInstanceManager().registerInstance(this);

-        logger = Logger.getLogger("Game:" + getUuid());
+        this.logger = Logger.getLogger("Game:" + this.getUuid());

-        eventNode()
+        this.eventNode()
            .addListener(PlayerMoveEvent.class, this::onPlayerMove)
            .addListener(PlayerBlockBreakEvent.class, this::onBlockBreak)
            .addListener(PlayerBlockPlaceEvent.class, this::onBlockPlace)
            .addListener(ItemDropEvent.class, this::onItemDrop);
    }

-    public Game setParent(Room parentRoom) {
-        this.parentRoom = parentRoom;
-        return this;
-    }
-
    public static void initialize(GameFactory factory, List<Option<?>> options, Player owner) {
        try {
-
-            Game game = factory.manufacture(Room.getRoom(owner).orElseThrow(), options);
+            Room originRoom = Room.getRoom(owner).orElseThrow();
+            Game game = factory.manufacture(originRoom, options);
            game.load();
-            Room.getRoom(owner).orElseThrow().moveMembersToInstance(game);
+            originRoom.moveMembersToInstance(game);

-            MinecraftServer.getSchedulerManager().scheduleTask(() -> {
-                game.getPlayers().forEach(player -> new ChatMessage(Icon.SCIENCE)
-                    .appendStatic(factory.name().getAssembled(player).asComponent())
+            new ChatMessage(Icon.INFO)
+                .appendTranslated(factory.name())
                .newLine()
-                    .appendStatic(factory.description().getAssembled(player).asComponent())
-                    .send(player));
-
-                return TaskSchedule.stop();
-            }, TaskSchedule.seconds(3));
-
+                .appendTranslated(factory.description())
+                .send(originRoom.getAllMembers());

        } catch(Exception e) {
            new ChatMessage(Icon.ERROR).appendStatic("Instance crashed: " + e.getMessage()).send(owner);
@@ -81,11 +68,16 @@ public abstract class Game extends MineNetInstance implements Spawnable {
        }
    }

+    public Game setParent(Room parentRoom) {
+        this.parentRoom = parentRoom;
+        return this;
+    }
+
    /**
     * Load and start countdown
     */
    public void load() {
-        scheduler().submitTask(() -> {
+        this.scheduler().submitTask(() -> {
            CompletableFuture<Void> callback = new CompletableFuture<>();
            this.onLoad(callback);
 //            callback.whenComplete((unused, throwable) -> this.start());
@@ -95,13 +87,13 @@ public abstract class Game extends MineNetInstance implements Spawnable {
    }

    protected void start() {
-        isRunning = true;
-        isBeforeBeginning = false;
+        this.isRunning = true;
+        this.isBeforeBeginning = false;
        this.onStart();
    }

    public void stop() {
-        isRunning = false;
+        this.isRunning = false;
        this.onStop();
        this.unload();
    }
@@ -109,12 +101,12 @@ public abstract class Game extends MineNetInstance implements Spawnable {
    public void unload() {
        this.onUnload();

-        getPlayers().forEach(Room::setOwnRoom);
+        this.getPlayers().forEach(Room::setOwnRoom);

-        scheduler().scheduleTask(() -> {
+        this.scheduler().scheduleTask(() -> {

-            logger.info("stopping game instance " + this.uuid);
-            getPlayers().forEach(player -> player.kick("timeout"));
+            this.logger.info("stopping game instance " + this.uuid);
+            this.getPlayers().forEach(player -> player.kick("timeout"));

            MinecraftServer.getInstanceManager().unregisterInstance(this);

@@ -125,9 +117,14 @@ public abstract class Game extends MineNetInstance implements Spawnable {
        callback.complete(null);
    }

-    protected void onStart() {}
-    protected void onStop() {}
-    protected void onUnload() {}
+    protected void onStart() {
+    }
+
+    protected void onStop() {
+    }
+
+    protected void onUnload() {
+    }

    protected void onPlayerMove(@NotNull PlayerMoveEvent playerMoveEvent) {

@@ -151,7 +148,7 @@ public abstract class Game extends MineNetInstance implements Spawnable {
    }

    protected void checkAbandoned() {
-        scheduleNextTick((instance) -> {
+        this.scheduleNextTick((instance) -> {
            if(instance.getPlayers().isEmpty()) this.unload();
        });
    }
@@ -161,7 +158,7 @@ public abstract class Game extends MineNetInstance implements Spawnable {
    }

    public boolean isRunning() {
-        return isRunning;
+        return this.isRunning;
    }

    public Pos getSpawn() {
@@ -1,21 +1,28 @@
 package eu.mhsl.minenet.minigames.instance.game;

 import eu.mhsl.minenet.minigames.instance.game.stateless.config.GameFactory;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.acidRain.AcidRainFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.types.anvilRun.AnvilRunFactory;
-import eu.mhsl.minenet.minigames.instance.game.stateless.types.bowSpleef.BowSpleefFactory;
-import eu.mhsl.minenet.minigames.instance.game.stateless.types.elytraRace.ElytraRaceFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.BackroomsFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.types.bedwars.BedwarsFactory;
-import eu.mhsl.minenet.minigames.instance.game.stateless.types.acidRain.AcidRainFactory;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.blockBattle.BlockBattleFactory;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.blockBreakRace.BlockBreakRaceFactory;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.boatRace.BoatRaceFactory;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.bowSpleef.BowSpleefFactory;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.colorJump.ColorJumpFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.types.deathcube.DeathcubeFactory;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.elytraRace.ElytraRaceFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.types.fastbridge.FastbridgeFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.types.highGround.HighGroundFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.types.jumpDive.JumpDiveFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.types.minerun.MinerunFactory;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.pillars.PillarsFactory;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.playerRace.PlayerRaceFactory;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.spaceSnake.SpaceSnakeFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.types.spleef.SpleefFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.types.stickfight.StickFightFactory;
-import eu.mhsl.minenet.minigames.instance.game.stateless.types.tetris.TetrisFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.types.sumo.SumoFactory;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.tetris.TetrisFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.types.tntrun.TntRunFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.types.towerdefense.TowerdefenseFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.types.trafficlightrace.TrafficLightRaceFactory;
@@ -28,7 +35,7 @@ public enum GameList {
    STICKFIGHT(new StickFightFactory(), GameType.PROTOTYPE),
    TOWERDEFENSE(new TowerdefenseFactory(), GameType.PROTOTYPE),
    BEDWARS(new BedwarsFactory(), GameType.PROTOTYPE),
-    BACKROOMS(new BackroomsFactory(), GameType.PROTOTYPE),
+    BACKROOMS(new BackroomsFactory(), GameType.PVE),
    BOWSPLEEF(new BowSpleefFactory(), GameType.PROTOTYPE),
    TETRIS(new TetrisFactory(), GameType.OTHER),
    TNTRUN(new TntRunFactory(), GameType.OTHER),
@@ -40,14 +47,23 @@ public enum GameList {
    JUMPDIVE(new JumpDiveFactory(), GameType.JUMPNRUN),
    SUMO(new SumoFactory(), GameType.PVP),
    HIGHGROUND(new HighGroundFactory(), GameType.PVP),
-    FASTBRIDGE(new FastbridgeFactory(), GameType.OTHER);
+    FASTBRIDGE(new FastbridgeFactory(), GameType.OTHER),
+    BLOCKBREAKRACE(new BlockBreakRaceFactory(), GameType.OTHER),
+    SPACESNAKE(new SpaceSnakeFactory(), GameType.PVP),
+    BOATRACE(new BoatRaceFactory(), GameType.OTHER),
+    PILLARS(new PillarsFactory(), GameType.PROTOTYPE),
+    BLOCKBATTLE(new BlockBattleFactory(), GameType.PVP),
+    COLORJUMP(new ColorJumpFactory(), GameType.JUMPNRUN),
+    PLAYERRACE(new PlayerRaceFactory(), GameType.JUMPNRUN);

    private final GameFactory factory;
    private final GameType type;
+
    GameList(GameFactory factory, GameType type) {
        this.factory = factory;
        this.type = type;
    }
+
    public GameFactory getFactory() {
        return this.factory;
    }
@@ -22,15 +22,15 @@ public enum GameType {
    }

    public Material getIcon() {
-        return icon;
+        return this.icon;
    }

    public TranslatedComponent getTitle() {
-        return title;
+        return this.title;
    }

    public TranslatedComponent getDescription() {
-        return description;
+        return this.description;
    }


@@ -9,7 +9,7 @@ import eu.mhsl.minenet.minigames.score.Score;
 import net.kyori.adventure.audience.Audience;
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.format.NamedTextColor;
-import net.minestom.server.registry.DynamicRegistry;
+import net.minestom.server.registry.RegistryKey;
 import net.minestom.server.timer.ExecutionType;
 import net.minestom.server.timer.Task;
 import net.minestom.server.timer.TaskSchedule;
@@ -26,7 +26,7 @@ public class StatelessGame extends Game {
    private int timeLimit = 0;
    private int timePlayed = 0;

-    public StatelessGame(DynamicRegistry.Key<DimensionType> dimensionType, String gameName, Score score) {
+    public StatelessGame(RegistryKey<DimensionType> dimensionType, String gameName, Score score) {
        super(dimensionType);
        this.score = score;
        this.name = gameName;
@@ -37,7 +37,7 @@ public class StatelessGame extends Game {
    }

    public String getName() {
-        return name;
+        return this.name;
    }

    public void setTimeLimit(int limit) {
@@ -47,20 +47,23 @@ public class StatelessGame extends Game {
            this.timePlayed = 0;
        }
        if(this.timeLimit > 0) {
-            this.timeLimitTask = scheduler().submitTask(() -> {
-                if(!isRunning || timeLimit == 0) return TaskSchedule.stop();
-                if(timeLimit <= timePlayed) {
-                    stop();
+            this.timeLimitTask = this.scheduler().submitTask(() -> {
+                if(!this.isRunning || this.timeLimit == 0) return TaskSchedule.stop();
+                if(this.timeLimit <= this.timePlayed) {
+                    this.stop();
                    return TaskSchedule.stop();
                }

-                int timeLeft = timeLimit - timePlayed;
+                int timeLeft = this.timeLimit - this.timePlayed;
                switch(timeLeft) {
-                    case 90, 60, 30, 10, 5, 4, 3, 2, 1 ->
-                        new ChatMessage(Icon.SCIENCE).appendStatic("Noch " + timeLeft + " Sekunden!").send(getPlayers());
+                    case 90, 60, 30, 10, 5, 4, 3, 2, 1 -> new ChatMessage(Icon.TIME)
+                        .appendStatic(String.valueOf(timeLeft))
+                        .appendSpace()
+                        .appendTranslated(timeLeft == 1 ? "common#secondsLeft_singular" : "common#secondsLeft_plural")
+                        .send(this.getPlayers());
                }

-                timePlayed++;
+                this.timePlayed++;

                return TaskSchedule.seconds(1);
            }, ExecutionType.TICK_START);
@@ -77,37 +80,48 @@ public class StatelessGame extends Game {
     * When overriding make sure to call this::start after countdown!
     */
    protected CompletableFuture<Void> countdownStart() {
-        return new Countdown(TitleMessage.class)
-                .countdown(Audience.audience(getPlayers()), 5, countdownModifier -> countdownModifier.message = new TitleMessage(Duration.ofMillis(300), Duration.ofMillis(700))
-                        .subtitle(subtitleMessage -> subtitleMessage.appendStatic(Component.text("in ", NamedTextColor.DARK_GREEN))
-                                    .appendStatic(Component.text(countdownModifier.timeLeft, NamedTextColor.GREEN))
-                                    .appendStatic(Component.text(" seconds", NamedTextColor.DARK_GREEN))));
-    }
+        Duration fadeIn = Duration.ofMillis(300);
+        Duration stay = Duration.ofMillis(700);

+        return new Countdown()
+            .countdown(
+                Audience.audience(this.getPlayers()),
+                5,
+                modifier -> modifier.message = new TitleMessage(fadeIn, stay)
+                    .subtitle(subtitleMessage -> subtitleMessage
+                        .appendTranslated("common#startIn", NamedTextColor.DARK_GREEN)
+                        .appendSpace()
+                        .appendStatic(Component.text(modifier.timeLeft, NamedTextColor.GREEN))
+                        .appendSpace()
+                        .appendTranslated(modifier.timeLeft == 1 ? "common#second" : "common#seconds", NamedTextColor.DARK_GREEN)
+                    )
+            );
+    }

    public void startAccessor() {
        this.start();
    }
+
    @Override
    protected void start() {
-        score.setInstance(this);
-        score.attachListeners();
+        this.score.setInstance(this);
+        this.score.attachListeners();

-        countdownStart().thenRun(super::start);
+        this.countdownStart().thenRun(super::start);
    }

    @Override
    public void stop() {
-        isRunning = false;
+        this.isRunning = false;
        this.onStop();
-        getScore().insertRemainingPlayers(getPlayers());
-        this.publishScore(getScore());
+        this.getScore().insertRemainingPlayers(this.getPlayers());
+        this.publishScore(this.getScore());

-        countdownUnload();
+        this.countdownUnload();
    }

    private void countdownUnload() {
-        new TitleMessage(Duration.ofSeconds(1)).appendTranslated("score#done").send(getPlayers());
-        scheduler().scheduleTask(this::unload, TaskSchedule.seconds(5), TaskSchedule.stop());
+        new TitleMessage(Duration.ofSeconds(1)).appendTranslated("score#done").send(this.getPlayers());
+        this.scheduler().scheduleTask(this::unload, TaskSchedule.seconds(5), TaskSchedule.stop());
    }
 }
@@ -5,12 +5,12 @@ import java.util.ArrayList;
 public class ConfigManager {
    private final ArrayList<Option<?>> items = new ArrayList<>();

-    public ConfigManager addOption(Option option) {
-        items.add(option);
+    public ConfigManager addOption(Option<?> option) {
+        this.items.add(option);
        return this;
    }

    public ArrayList<Option<?>> getAll() {
-        return items;
+        return this.items;
    }
 }
@@ -4,20 +4,19 @@ import eu.mhsl.minenet.minigames.instance.game.Game;
 import eu.mhsl.minenet.minigames.instance.game.stateless.config.restriction.Restriction;
 import eu.mhsl.minenet.minigames.instance.game.stateless.config.restriction.RestrictionData;
 import eu.mhsl.minenet.minigames.instance.game.stateless.config.restriction.RestrictionHandler;
+import eu.mhsl.minenet.minigames.instance.room.Room;
 import eu.mhsl.minenet.minigames.message.component.TranslatedComponent;
 import eu.mhsl.minenet.minigames.shared.inventory.InteractableInventory;
 import eu.mhsl.minenet.minigames.util.InventoryItemAlignment;
-import eu.mhsl.minenet.minigames.instance.room.Room;
 import net.kyori.adventure.sound.Sound;
 import net.kyori.adventure.text.format.NamedTextColor;
 import net.minestom.server.MinecraftServer;
 import net.minestom.server.entity.Player;
-import net.minestom.server.event.EventListener;
 import net.minestom.server.event.instance.AddEntityToInstanceEvent;
 import net.minestom.server.event.instance.RemoveEntityFromInstanceEvent;
+import net.minestom.server.event.inventory.InventoryPreClickEvent;
 import net.minestom.server.inventory.InventoryType;
-import net.minestom.server.inventory.click.ClickType;
-import net.minestom.server.inventory.condition.InventoryConditionResult;
+import net.minestom.server.inventory.click.Click;
 import net.minestom.server.item.ItemStack;
 import net.minestom.server.item.Material;
 import net.minestom.server.sound.SoundEvent;
@@ -45,7 +44,7 @@ public class GameConfigurationInventory extends InteractableInventory {

        ConfigManager config = factory.configuration();

-        setClickableItem(
+        this.setClickableItem(
            ItemStack.builder(Material.RED_WOOL)
                .customName(
                    TranslatedComponent.byId("common#back")
@@ -58,9 +57,9 @@ public class GameConfigurationInventory extends InteractableInventory {
            true
        );

-        setDummyItem(Material.BLACK_STAINED_GLASS_PANE,1);
+        this.setDummyItem(Material.BLACK_STAINED_GLASS_PANE, 1);

-        setDummyItem(
+        this.setDummyItem(
            ItemStack.builder(Material.NAME_TAG)
                .customName(
                    factory.name().setColor(NamedTextColor.GOLD).getAssembled(p)
@@ -69,16 +68,16 @@ public class GameConfigurationInventory extends InteractableInventory {
            4
        );

-        setDummyItem(Material.BLACK_STAINED_GLASS_PANE,7);
+        this.setDummyItem(Material.BLACK_STAINED_GLASS_PANE, 7);

-        updatePlayButton();
+        this.updatePlayButton();

        for(int i = 9; i <= 17; i++) {
-            setDummyItem(Material.BLACK_STAINED_GLASS_PANE, i);
+            this.setDummyItem(Material.BLACK_STAINED_GLASS_PANE, i);
        }

        if(config == null) {
-            setDummyItem(
+            this.setDummyItem(
                ItemStack.builder(Material.BARRIER)
                    .customName(
                        TranslatedComponent.byId("room#noOption").setColor(NamedTextColor.RED).getAssembled(p)
@@ -95,9 +94,9 @@ public class GameConfigurationInventory extends InteractableInventory {
            InventoryItemAlignment itemAlignment = new InventoryItemAlignment(config.getAll().size(), 3);
            for(Option<?> item : config.getAll()) {
                InventoryItemAlignment.ItemOffset current = itemAlignment.next();
-                map.put(offset + current.get(), item);
+                this.map.put(offset + current.get(), item);

-                setDummyItem(
+                this.setDummyItem(
                    item.getCurrent(p),
                    offset + current.get()
                );
@@ -107,53 +106,53 @@ public class GameConfigurationInventory extends InteractableInventory {
    }

    @Override
-    protected void onClick(Player player, int slot, ClickType clickType, InventoryConditionResult inventoryConditionResult) {
-        inventoryConditionResult.setCancel(true);
+    protected void onClick(Player player, int slot, Click click, InventoryPreClickEvent event) {
+        event.setCancelled(true);

-        if(!map.containsKey(slot)) return;
+        if(!this.map.containsKey(slot)) return;

-        Option<?> item = map.get(slot);
-        setDummyItem(
-                item.getNext(p),
+        Option<?> item = this.map.get(slot);
+        this.setDummyItem(
+            item.getNext(this.p),
            slot
        );

-        update();
+        this.update();

    }

    private void updatePlayButton() {
-        RestrictionHandler restrictionHandler = factory.globalRestrictions();
-        RestrictionData restrictionData = new RestrictionData(room);
+        RestrictionHandler restrictionHandler = this.factory.globalRestrictions();
+        RestrictionData restrictionData = new RestrictionData(this.room);

        if(restrictionHandler.canPlay(restrictionData)) {

-            setClickableItem(
-                    ItemStack.builder(restrictionHandler.getWarnings(restrictionData).size() > 0 ? Material.YELLOW_WOOL : Material.GREEN_WOOL)
-                            .customName(TranslatedComponent.byId("restriction#success").setColor(NamedTextColor.GREEN).getAssembled(p))
-                            .lore(restrictionHandler.getWarnings(restrictionData).stream().map(translatedComponent -> translatedComponent.getAssembled(p)).collect(Collectors.toList()))
+            this.setClickableItem(
+                ItemStack.builder(!restrictionHandler.getWarnings(restrictionData).isEmpty() ? Material.YELLOW_WOOL : Material.GREEN_WOOL)
+                    .customName(TranslatedComponent.byId("restriction#success").setColor(NamedTextColor.GREEN).getAssembled(this.p))
+                    .lore(restrictionHandler.getWarnings(restrictionData).stream().map(translatedComponent -> translatedComponent.getAssembled(this.p)).collect(Collectors.toList()))
                    .build(),
                8,
-                    itemClick -> Game.initialize(factory, map.values().stream().toList(), itemClick.getPlayer()),
+                itemClick -> Game.initialize(this.factory, this.map.values().stream().toList(), itemClick.getPlayer()),
                true
            );

        } else {

-            setClickableItem(
+            this.setClickableItem(
                ItemStack.builder(Material.RED_WOOL)
-                            .customName(TranslatedComponent.byId("restriction#fail").setColor(NamedTextColor.RED).getAssembled(p))
+                    .customName(TranslatedComponent.byId("restriction#fail").setColor(NamedTextColor.RED).getAssembled(this.p))
                    .lore(
                        restrictionHandler.getRestrictions()
                            .stream()
                            .filter(iRestriction -> iRestriction.calculate(restrictionData).type().equals(Restriction.Type.FAIL))
-                                            .map(iRestriction -> iRestriction.calculate(restrictionData).description().getAssembled(p))
+                            .map(iRestriction -> iRestriction.calculate(restrictionData).description().getAssembled(this.p))
                            .collect(Collectors.toList()))
                    .build(),
                8,
                itemClick -> {
                    if(restrictionHandler.canPlay(restrictionData)) {
-                            updatePlayButton();
+                        this.updatePlayButton();
                        return;
                    }
                    itemClick.getPlayer().playSound(Sound.sound(SoundEvent.ENTITY_SILVERFISH_DEATH, Sound.Source.AMBIENT, 1f, 1f));
@@ -163,6 +162,6 @@ public class GameConfigurationInventory extends InteractableInventory {

        }

-        update();
+        this.update();
    }
 }
@@ -12,9 +12,11 @@ import java.util.Map;

 public interface GameFactory {
    TranslatedComponent name();
+
    default ConfigManager configuration() {
        return null;
    }
+
    default RestrictionHandler globalRestrictions() {
        return new RestrictionHandler();
    }
@@ -22,6 +24,7 @@ public interface GameFactory {
    default Material symbol() {
        return Material.GRASS_BLOCK;
    }
+
    default TranslatedComponent description() {
        return TranslatedComponent.byId("GameFactory#missingDescription");
    }
@@ -29,17 +32,17 @@ public interface GameFactory {
    Game manufacture(Room parent, Map<String, Option<?>> configuration) throws Exception;

    default Game manufacture(Room parent, List<Option<?>> configuration) throws Exception {
-        if(configuration == null) return manufacture(parent);
+        if(configuration == null) return this.manufacture(parent);

        Map<String, Option<?>> cnf = new HashMap<>();
        configuration.forEach(option -> cnf.put(option.getId(), option));

-        return manufacture(parent, cnf);
+        return this.manufacture(parent, cnf);
    }

    default Game manufacture(Room parent) throws Exception {
-        if(this.configuration() == null) return manufacture(parent, List.of());
+        if(this.configuration() == null) return this.manufacture(parent, List.of());

-        return manufacture(parent, this.configuration().getAll());
+        return this.manufacture(parent, this.configuration().getAll());
    }
 }
@@ -12,12 +12,12 @@ import java.util.List;
 import java.util.Objects;

 public abstract class Option<T> {
-    private RestrictionHandler restrictionHandler;
    private final Material item;
    private final TranslatedComponent name;
    private final String id;
-    protected T currentValue;
    private final List<T> options;
+    protected T currentValue;
+    private RestrictionHandler restrictionHandler;
    private int pointer = 0;

    public Option(String id, Material item, TranslatedComponent name, List<T> options) {
@@ -26,46 +26,45 @@ public abstract class Option<T> {
        this.name = name;
        this.options = options;

-        currentValue = options.getFirst();
+        this.currentValue = options.getFirst();
+    }
+
+    public RestrictionHandler getRestrictionHandler() {
+        return this.restrictionHandler;
    }

    public void setRestrictionHandler(RestrictionHandler restrictionHandler) {
        this.restrictionHandler = restrictionHandler;
    }

-    public RestrictionHandler getRestrictionHandler() {
-        return restrictionHandler;
-    }
-
-
    public ItemStack getNext(Player p) {
-        if(++pointer >= options.size()) pointer = 0;
-        currentValue = options.get(pointer);
-        return getCurrent(p);
+        if(++this.pointer >= this.options.size()) this.pointer = 0;
+        this.currentValue = this.options.get(this.pointer);
+        return this.getCurrent(p);
    }

    public ItemStack getCurrent(Player p) {
-        String value = options.get(pointer).toString();
-        return ItemStack.builder(item)
-                .customName(name.getAssembled(p))
+        String value = this.options.get(this.pointer).toString();
+        return ItemStack.builder(this.item)
+            .customName(this.name.getAssembled(p))
            .lore(TranslatedComponent.byId("optionCommon#value").setColor(NamedTextColor.GOLD).getAssembled(p)
                .append(Component.text(": ")).append(Component.text(value)))
            .build();
    }

    public int getAsInt() {
-        return Integer.parseInt(getAsString());
+        return Integer.parseInt(this.getAsString());
    }

    public boolean getAsBoolean() {
-        return Objects.equals(getAsString(), "true") || Objects.equals(getAsString(), "1");
+        return Objects.equals(this.getAsString(), "true") || Objects.equals(this.getAsString(), "1");
    }

    public String getAsString() {
-        return currentValue.toString();
+        return this.currentValue.toString();
    }

    public String getId() {
-        return id;
+        return this.id;
    }
 }
@@ -22,11 +22,11 @@ public class RestrictionHandler {
    }

    public List<IRestriction> getRestrictions() {
-        return restrictions;
+        return this.restrictions;
    }

    public boolean canPlay(RestrictionData data) {
-        if(restrictions.size() < 1) return true;
+        if(this.restrictions.isEmpty()) return true;
        return this.restrictions.stream()
            .noneMatch(iRestriction -> iRestriction.calculate(data).type().equals(Restriction.Type.FAIL));
    }
@@ -1,6 +1,7 @@
 package eu.mhsl.minenet.minigames.instance.game.stateless.types.acidRain;

-import de.articdive.jnoise.JNoise;
+import de.articdive.jnoise.generators.noisegen.opensimplex.FastSimplexNoiseGenerator;
+import de.articdive.jnoise.pipeline.JNoise;
 import eu.mhsl.minenet.minigames.instance.Dimension;
 import eu.mhsl.minenet.minigames.instance.game.stateless.StatelessGame;
 import eu.mhsl.minenet.minigames.score.LastWinsScore;
@@ -27,26 +28,25 @@ import java.util.concurrent.CompletableFuture;


 public class AcidRain extends StatelessGame {
-    final private int radius = 20;
-    private int generationOffset = 0;
-
-    final private int roofHeight = 55;
-    private int difficulty = 0;
    final JNoise noise = JNoise.newBuilder()
-            .fastSimplex()
-            .setSeed(rnd.nextLong())
-            .setFrequency(0.09)
+        .fastSimplex(FastSimplexNoiseGenerator.newBuilder().setSeed(this.rnd.nextLong()).build())
+        .scale(0.09)
        .build();
+    final private int radius = 20;
+    final private int roofHeight = 55;
+    private int generationOffset = 0;
+    private int difficulty = 0;
+
    public AcidRain() {
        super(Dimension.OVERWORLD.key, "acidRain", new LastWinsScore());
-        setGenerator(
-                new CircularPlateTerrainGenerator(radius)
+        this.setGenerator(
+            new CircularPlateTerrainGenerator(this.radius)
                .setPlateHeight(50)
                .setPlatePallet(BlockPallet.STONE)
        );


-        eventNode().addListener(PlayerTickEvent.class, this::onPlayerTick);
+        this.eventNode().addListener(PlayerTickEvent.class, this::onPlayerTick);
    }

    @Override
@@ -61,39 +61,40 @@ public class AcidRain extends StatelessGame {

        MinecraftServer.getSchedulerManager().submitTask(() -> {

-            getPlayers().forEach(player -> {
-                player.sendPacket(new ParticlePacket(Particle.SNEEZE, 0, 60, 0, radius, radius, radius, 1f, 500));
-                player.sendPacket(new ParticlePacket(Particle.ITEM_SLIME, 0, 60, 0, radius, radius, radius, 1f, 500));
+            this.getPlayers().forEach(player -> {
+                player.sendPacket(new ParticlePacket(Particle.SNEEZE, 0, 60, 0, this.radius, this.radius, this.radius, 1f, 500));
+                player.sendPacket(new ParticlePacket(Particle.ITEM_SLIME, 0, 60, 0, this.radius, this.radius, this.radius, 1f, 500));
            });

-            if(!isRunning) return TaskSchedule.stop();
+            if(!this.isRunning) return TaskSchedule.stop();
            return TaskSchedule.millis(100);
        }, ExecutionType.TICK_END);

        MinecraftServer.getSchedulerManager().submitTask(() -> {
-            generationOffset++;
-            generatePlatform(generationOffset);
+            this.generationOffset++;
+            this.generatePlatform(this.generationOffset);

-            if(!isRunning) return TaskSchedule.stop();
-            return TaskSchedule.millis((long) NumberUtil.map(50 - difficulty, 0, 50, 100, 1000));
+            if(!this.isRunning) return TaskSchedule.stop();
+            return TaskSchedule.millis((long) NumberUtil.map(50 - this.difficulty, 0, 50, 100, 1000));
        }, ExecutionType.TICK_END);

        MinecraftServer.getSchedulerManager().submitTask(() -> {
-            difficulty++;
+            this.difficulty++;

-            if(difficulty >= 50) return TaskSchedule.stop();
+            if(this.difficulty >= 50) return TaskSchedule.stop();
            return TaskSchedule.seconds(3);
        });
    }

    @Override
    protected void onPlayerMove(@NotNull PlayerMoveEvent playerMoveEvent) {
-        if(playerMoveEvent.getNewPosition().y() < 50) playerDeath(playerMoveEvent.getPlayer());
+        if(playerMoveEvent.getNewPosition().y() < 50) this.playerDeath(playerMoveEvent.getPlayer());
    }

    private void onPlayerTick(PlayerTickEvent playerTickEvent) {
-        if(isBeforeBeginning) return;
-        if(getBlock(playerTickEvent.getPlayer().getPosition().withY(roofHeight)).isAir()) playerDeath(playerTickEvent.getPlayer());
+        if(this.isBeforeBeginning) return;
+        if(this.getBlock(playerTickEvent.getPlayer().getPosition().withY(this.roofHeight)).isAir())
+            this.playerDeath(playerTickEvent.getPlayer());
    }

    private void generatePlatform(long offset) {
@@ -102,19 +103,20 @@ public class AcidRain extends StatelessGame {
        AbsoluteBlockBatch batch = new AbsoluteBlockBatch();
        for(int x = -radius; x <= radius; x++) {
            for(int z = -radius; z <= radius; z++) {
-                batch.setBlock(x, roofHeight, z, Block.AIR);
+                batch.setBlock(x, this.roofHeight, z, Block.AIR);
                if(new Pos(x, 0, z).distance(new Pos(0, 0, 0)) > radius) continue;
-                if(noise.getNoise(x + offset, z + offset) > 0.4) continue;
+                if(this.noise.evaluateNoise(x + offset, z + offset) > 0.4) continue;

-                batch.setBlock(x, roofHeight, z, Block.OAK_PLANKS);
+                batch.setBlock(x, this.roofHeight, z, Block.OAK_PLANKS);
            }
        }
-        BatchUtil.loadAndApplyBatch(batch, this, () -> {});
+        BatchUtil.loadAndApplyBatch(batch, this, () -> {
+        });
    }

    private void playerDeath(Player p) {
        p.setGameMode(GameMode.SPECTATOR);
-        getScore().insertResult(p);
+        this.getScore().insertResult(p);
    }

    @Override
@@ -1,8 +1,8 @@
 package eu.mhsl.minenet.minigames.instance.game.stateless.types.anvilRun;

+import eu.mhsl.minenet.minigames.instance.Dimension;
 import eu.mhsl.minenet.minigames.instance.game.stateless.StatelessGame;
 import eu.mhsl.minenet.minigames.score.LastWinsScore;
-import eu.mhsl.minenet.minigames.instance.Dimension;
 import eu.mhsl.minenet.minigames.util.BatchUtil;
 import eu.mhsl.minenet.minigames.world.generator.terrain.CircularPlateTerrainGenerator;
 import net.minestom.server.MinecraftServer;
@@ -27,10 +27,10 @@ class AnvilRun extends StatelessGame {

    final int spawnHeight = 30;
    final int radius;
-    int anvilsPerSecond;
    final int seconds;
    final int anvilHeight = 200;
    final List<Pos> anvilSpawnPositions = new ArrayList<>();
+    int anvilsPerSecond;

    public AnvilRun(int radius, int seconds) {
        super(Dimension.OVERWORLD.key, "Anvil Run", new LastWinsScore());
@@ -38,25 +38,25 @@ class AnvilRun extends StatelessGame {
        this.seconds = seconds;
        this.setGenerator(new CircularPlateTerrainGenerator(radius));

-        eventNode().addListener(EntityTickEvent.class, this::onEntityTick);
+        this.eventNode().addListener(EntityTickEvent.class, this::onEntityTick);
    }

    @Override
    protected void onLoad(@NotNull CompletableFuture<Void> callback) {
        AbsoluteBlockBatch batch = new AbsoluteBlockBatch();

-        for(int x = -radius; x <= radius; x++) {
-            for (int z = -radius; z <= radius; z++) {
-                if(new Pos(x, 0, z).distance(new Pos(0, 0, 0)) > radius) continue;
+        for(int x = -this.radius; x <= this.radius; x++) {
+            for(int z = -this.radius; z <= this.radius; z++) {
+                if(new Pos(x, 0, z).distance(new Pos(0, 0, 0)) > this.radius) continue;

-                anvilSpawnPositions.add(new Pos(x+0.5, anvilHeight, z+0.5));
+                this.anvilSpawnPositions.add(new Pos(x + 0.5, this.anvilHeight, z + 0.5));

-                batch.setBlock(x, spawnHeight-1, z, Block.SNOW_BLOCK);
+                batch.setBlock(x, this.spawnHeight - 1, z, Block.SNOW_BLOCK);
            }
        }

-        this.anvilsPerSecond = anvilSpawnPositions.size() / this.seconds;
-        Collections.shuffle(anvilSpawnPositions);
+        this.anvilsPerSecond = this.anvilSpawnPositions.size() / this.seconds;
+        Collections.shuffle(this.anvilSpawnPositions);

        BatchUtil.loadAndApplyBatch(batch, this, () -> callback.complete(null));
    }
@@ -75,7 +75,7 @@ class AnvilRun extends StatelessGame {
        for(int i = 0; i < this.anvilSpawnPositions.size(); i++) {
            final int j = i;
            scheduler.scheduleTask(
-                () -> spawnAnvil(this.anvilSpawnPositions.get(j)),
+                () -> this.spawnAnvil(this.anvilSpawnPositions.get(j)),
                TaskSchedule.millis(
                    (long) Math.floor((double) i / this.anvilsPerSecond * 1000)
                ),
@@ -87,25 +87,26 @@ class AnvilRun extends StatelessGame {
    @Override
    protected void onPlayerMove(@NotNull PlayerMoveEvent playerMoveEvent) {
        super.onPlayerMove(playerMoveEvent);
-        if(isBeforeBeginning && playerMoveEvent.getNewPosition().y() < spawnHeight - 2) {
+        if(this.isBeforeBeginning && playerMoveEvent.getNewPosition().y() < this.spawnHeight - 2) {
            playerMoveEvent.setCancelled(true);
-            playerMoveEvent.getPlayer().teleport(getSpawn());
+            playerMoveEvent.getPlayer().teleport(this.getSpawn());
            return;
        }
-        if(playerMoveEvent.getNewPosition().y() < spawnHeight - 2) getScore().insertResult(playerMoveEvent.getPlayer());
+        if(playerMoveEvent.getNewPosition().y() < this.spawnHeight - 2)
+            this.getScore().insertResult(playerMoveEvent.getPlayer());
    }

    protected void onEntityTick(@NotNull EntityTickEvent entityTickEvent) {
        if(!entityTickEvent.getEntity().getEntityType().equals(EntityType.FALLING_BLOCK)) return;
        Pos anvilPosition = entityTickEvent.getEntity().getPosition();
-        if(anvilPosition.y() > spawnHeight + 0.5) return;
-        if(anvilPosition.y() < spawnHeight - 3) entityTickEvent.getEntity().remove();
-        if(this.getBlock(anvilPosition.withY(spawnHeight-1)).isAir()) return;
-        this.setBlock(anvilPosition.withY(spawnHeight-1), Block.AIR);
+        if(anvilPosition.y() > this.spawnHeight + 0.5) return;
+        if(anvilPosition.y() < this.spawnHeight - 3) entityTickEvent.getEntity().remove();
+        if(this.getBlock(anvilPosition.withY(this.spawnHeight - 1)).isAir()) return;
+        this.setBlock(anvilPosition.withY(this.spawnHeight - 1), Block.AIR);
    }

    @Override
    public Pos getSpawn() {
-        return new Pos(0, spawnHeight, 0);
+        return new Pos(0, this.spawnHeight, 0);
    }
 }
@@ -1,9 +1,9 @@
 package eu.mhsl.minenet.minigames.instance.game.stateless.types.anvilRun;

 import eu.mhsl.minenet.minigames.instance.game.Game;
+import eu.mhsl.minenet.minigames.instance.game.stateless.config.ConfigManager;
 import eu.mhsl.minenet.minigames.instance.game.stateless.config.GameFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.config.Option;
-import eu.mhsl.minenet.minigames.instance.game.stateless.config.ConfigManager;
 import eu.mhsl.minenet.minigames.instance.game.stateless.config.common.NumericOption;
 import eu.mhsl.minenet.minigames.instance.room.Room;
 import eu.mhsl.minenet.minigames.message.component.TranslatedComponent;
@@ -1,20 +0,0 @@
-package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms;
-
-import eu.mhsl.minenet.minigames.instance.Dimension;
-import eu.mhsl.minenet.minigames.instance.game.stateless.StatelessGame;
-import eu.mhsl.minenet.minigames.score.NoScore;
-import net.minestom.server.event.player.PlayerBlockBreakEvent;
-import org.jetbrains.annotations.NotNull;
-
-public class Backrooms extends StatelessGame {
-    public Backrooms() {
-        super(Dimension.NETHER.key, "Backrooms", new NoScore());
-        BackroomsGenerator generator = new BackroomsGenerator();
-        setGenerator(unit -> generator.generateRoom(unit, 50));
-    }
-
-    @Override
-    protected void onBlockBreak(@NotNull PlayerBlockBreakEvent playerBlockBreakEvent) {
-        playerBlockBreakEvent.setCancelled(false);
-    }
-}
@@ -1,21 +1,52 @@
 package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms;

 import eu.mhsl.minenet.minigames.instance.game.Game;
+import eu.mhsl.minenet.minigames.instance.game.stateless.config.ConfigManager;
 import eu.mhsl.minenet.minigames.instance.game.stateless.config.GameFactory;
 import eu.mhsl.minenet.minigames.instance.game.stateless.config.Option;
+import eu.mhsl.minenet.minigames.instance.game.stateless.config.common.NumericOption;
 import eu.mhsl.minenet.minigames.instance.room.Room;
 import eu.mhsl.minenet.minigames.message.component.TranslatedComponent;
+import net.minestom.server.item.Material;

 import java.util.Map;

 public class BackroomsFactory implements GameFactory {
    @Override
    public TranslatedComponent name() {
-        return TranslatedComponent.byId("gameBackrooms");
+        return TranslatedComponent.byId("game_Backrooms#name");
+    }
+
+    @Override
+    public TranslatedComponent description() {
+        return TranslatedComponent.byId("game_Backrooms#description");
+    }
+
+    @Override
+    public Material symbol() {
+        return Material.YELLOW_TERRACOTTA;
+    }
+
+    @Override
+    public ConfigManager configuration() {
+        return new ConfigManager()
+            .addOption(new NumericOption("levels", Material.LADDER, TranslatedComponent.byId("game_Backrooms#optionLevels"), 3, 2, 4, 5))
+            .addOption(new NumericOption("lives", Material.TOTEM_OF_UNDYING, TranslatedComponent.byId("game_Backrooms#optionLives"), 3, 1, 2, 5))
+            .addOption(new NumericOption("monsterDensity", Material.ZOMBIE_HEAD, TranslatedComponent.byId("game_Backrooms#optionMonsterDensity"), 2, 1, 3))
+            .addOption(new NumericOption("size", Material.MAP, TranslatedComponent.byId("game_Backrooms#optionSize"), 0, 1, 2, 3))
+            // 0/1 statt BoolOption: deren erster Eintrag "true" waere sonst der Default
+            .addOption(new NumericOption("hardcoreSanity", Material.WITHER_ROSE, TranslatedComponent.byId("game_Backrooms#optionHardcoreSanity"), 0, 1));
    }

    @Override
    public Game manufacture(Room parent, Map<String, Option<?>> configuration) throws Exception {
-        return new Backrooms().setParent(parent);
+        return new BackroomsGame(
+            configuration.get("levels").getAsInt(),
+            configuration.get("lives").getAsInt(),
+            configuration.get("monsterDensity").getAsInt(),
+            configuration.get("size").getAsInt(),
+            configuration.get("hardcoreSanity").getAsBoolean(),
+            parent.getAllMembers().size()
+        ).setParent(parent);
    }
 }
@@ -0,0 +1,663 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms;
+
+import eu.mhsl.minenet.minigames.instance.Dimension;
+import eu.mhsl.minenet.minigames.instance.game.stateless.StatelessGame;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.ambience.AmbienceEngine;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.door.DoorManager;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.generator.BackroomsChunkGenerator;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.generator.MazeAlgorithms;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.item.BackroomsItems;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelDefinition;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelLayout;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelRuntime;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelType;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.TransitionType;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.impl.Level0Lobby;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.impl.LevelFinale;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.impl.LevelFun;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.impl.LevelHabitableZone;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.impl.LevelLightsOut;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.impl.LevelPipeDreams;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.impl.LevelPoolrooms;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.loot.ChestManager;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.BackroomsMonster;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.sanity.SanityManager;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.transition.TransitionManager;
+import eu.mhsl.minenet.minigames.message.Icon;
+import eu.mhsl.minenet.minigames.message.component.TranslatedComponent;
+import eu.mhsl.minenet.minigames.message.type.ChatMessage;
+import eu.mhsl.minenet.minigames.message.type.TitleMessage;
+import net.kyori.adventure.sound.Sound;
+import java.time.Duration;
+import net.kyori.adventure.text.Component;
+import net.minestom.server.MinecraftServer;
+import net.minestom.server.coordinate.Pos;
+import net.minestom.server.entity.GameMode;
+import net.minestom.server.entity.Player;
+import net.minestom.server.event.entity.EntityAttackEvent;
+import net.minestom.server.event.entity.EntityDamageEvent;
+import net.minestom.server.event.player.PlayerBlockInteractEvent;
+import net.minestom.server.event.player.PlayerMoveEvent;
+import net.minestom.server.event.player.PlayerUseItemEvent;
+import net.minestom.server.instance.LightingChunk;
+import net.minestom.server.entity.attribute.Attribute;
+import net.minestom.server.entity.damage.DamageType;
+import net.minestom.server.item.ItemStack;
+import net.minestom.server.potion.Potion;
+import net.minestom.server.potion.PotionEffect;
+import net.minestom.server.scoreboard.Sidebar;
+import net.minestom.server.sound.SoundEvent;
+import net.minestom.server.timer.ExecutionType;
+import net.minestom.server.timer.TaskSchedule;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+import java.util.Set;
+import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
+import java.util.function.Supplier;
+
+/**
+ * Backrooms: Wettlauf durch prozedural generierte, vertikal gestapelte Horror-Level.
+ * Wer zuerst durch alle Level entkommt gewinnt; sterben alle anderen, gewinnt der
+ * letzte Ueberlebende. Kein Spieler-Schaden untereinander — nur die Backrooms selbst.
+ */
+public class BackroomsGame extends StatelessGame {
+    /** Zufalls-Pool der Zwischen-Level; wird mit jedem fertigen Leveltyp erweitert. */
+    private static final List<Supplier<LevelDefinition>> LEVEL_POOL = List.of(
+        LevelHabitableZone::new,
+        LevelPipeDreams::new,
+        LevelPoolrooms::new,
+        LevelLightsOut::new,
+        LevelFun::new
+    );
+
+    private final List<LevelRuntime> levels = new ArrayList<>();
+    private final Map<UUID, BackroomsPlayer> playerStates = new HashMap<>();
+    private final Map<UUID, Sidebar> sidebars = new HashMap<>();
+
+    private final int lives;
+    private final int monsterDensity;
+    private final boolean hardcoreSanity;
+
+    private final TransitionManager transitionManager = new TransitionManager(this);
+    private final ChestManager chestManager;
+    private final DoorManager doorManager = new DoorManager(this);
+    private final SanityManager sanityManager;
+    private final AmbienceEngine ambienceEngine = new AmbienceEngine(this);
+
+    private final Set<Integer> openedDoorLevels = new HashSet<>();
+
+    private long tickCounter = 0;
+    private long secondCounter = 0;
+
+    public BackroomsGame(int totalLevels, int lives, int monsterDensity, int sizeOption, boolean hardcoreSanity, int expectedPlayers) {
+        super(Dimension.BACKROOMS.key, "Backrooms", new BackroomsScore());
+        this.getScore().setIgnoreLastPlayers(1);
+        this.lives = lives;
+        this.monsterDensity = monsterDensity;
+        this.hardcoreSanity = hardcoreSanity;
+        this.sanityManager = new SanityManager(this, hardcoreSanity);
+
+        int cells = this.cellsForSize(sizeOption, expectedPlayers);
+
+        List<LevelDefinition> sequence = this.buildSequence(totalLevels);
+        for(int i = 0; i < sequence.size(); i++) {
+            LevelDefinition definition = sequence.get(i);
+            Random layoutRnd = new Random(this.rnd.nextLong());
+            var layout = definition.buildLayout(layoutRnd, cells, expectedPlayers);
+            this.levels.add(new LevelRuntime(this, i, definition, layout, layoutRnd));
+        }
+
+        this.connectShaftLandings();
+        // Echte Lichtberechnung: nur die Deckenlampen leuchten, Blackout-Biome sind
+        // tatsaechlich dunkel (Dimension-Ambient ist fast schwarz)
+        this.setChunkSupplier(LightingChunk::new);
+        this.setGenerator(new BackroomsChunkGenerator(this.levels));
+        this.chestManager = new ChestManager(this);
+
+        this.eventNode()
+            .addListener(PlayerBlockInteractEvent.class, event -> {
+                this.chestManager.onInteract(event);
+                this.doorManager.onInteract(event);
+            })
+            .addListener(PlayerUseItemEvent.class, this::onUseItem)
+            .addListener(EntityAttackEvent.class, this::onEntityAttack)
+            .addListener(EntityDamageEvent.class, this::onEntityDamage);
+    }
+
+    /**
+     * HOLE/LADDER-Schaechte enden im Level darunter an einer beliebigen Zelle.
+     * Die Landezelle wird freigeraeumt und per kuerzestem Wanddurchbruch mit dem
+     * Labyrinth verbunden, damit niemand in einer Wandtasche landet.
+     */
+    private void connectShaftLandings() {
+        for(int i = 0; i < this.levels.size() - 1; i++) {
+            LevelRuntime upper = this.levels.get(i);
+            TransitionType transition = upper.getDefinition().transitionType();
+            if(transition != TransitionType.HOLE && transition != TransitionType.LADDER) continue;
+
+            int[] exit = upper.getLayout().getExitCell();
+            if(exit == null) continue;
+
+            var lowerLayout = this.levels.get(i + 1).getLayout();
+            int landingX = lowerLayout.cellX(upper.getLayout().worldX(exit[0]) + 1);
+            int landingZ = lowerLayout.cellZ(upper.getLayout().worldZ(exit[1]) + 1);
+            if(!lowerLayout.inBounds(landingX, landingZ)) continue;
+            if(lowerLayout.isWalkable(landingX, landingZ)) continue;
+
+            lowerLayout.setCell(landingX, landingZ, LevelLayout.Cell.FLOOR);
+            MazeAlgorithms.ensureConnected(
+                lowerLayout,
+                lowerLayout.getSpawnCells().getFirst(),
+                List.of(new int[]{landingX, landingZ})
+            );
+        }
+    }
+
+    private int cellsForSize(int sizeOption, int expectedPlayers) {
+        int cells = switch(sizeOption) {
+            case 1 -> 25;
+            case 2 -> 37;
+            case 3 -> 49;
+            // Auto: waechst mit der Wurzel der Spielerzahl, damit 50 Spieler nicht clustern
+            default -> 23 + 5 * (int) Math.ceil(Math.sqrt(Math.max(1, expectedPlayers)));
+        };
+        cells = Math.min(63, cells);
+        return cells % 2 == 0 ? cells + 1 : cells;
+    }
+
+    private List<LevelDefinition> buildSequence(int totalLevels) {
+        List<LevelDefinition> sequence = new ArrayList<>();
+        sequence.add(new Level0Lobby());
+
+        List<Supplier<LevelDefinition>> pool = new ArrayList<>(LEVEL_POOL);
+        Collections.shuffle(pool, this.rnd);
+        int middleCount = Math.max(0, totalLevels - 2);
+        for(int i = 0; i < middleCount; i++) {
+            // Pool leer oder aufgebraucht: Lobby-Varianten als Fallback
+            sequence.add(i < pool.size() ? pool.get(i).get() : new Level0Lobby());
+        }
+
+        sequence.add(new LevelFinale());
+        return sequence;
+    }
+
+    public List<LevelRuntime> getLevels() {
+        return this.levels;
+    }
+
+    public Random rnd() {
+        return this.rnd;
+    }
+
+    public BackroomsPlayer playerState(Player player) {
+        return this.playerStates.get(player.getUuid());
+    }
+
+    public List<Player> playersInLevel(int index) {
+        return this.getPlayers().stream()
+            .filter(player -> player.getGameMode() == GameMode.ADVENTURE)
+            .filter(player -> {
+                BackroomsPlayer state = this.playerState(player);
+                return state != null && state.getLevelIndex() == index;
+            })
+            .toList();
+    }
+
+    public boolean isDoorOpened(int levelIndex) {
+        return this.openedDoorLevels.contains(levelIndex);
+    }
+
+    /**
+     * Erster Spieler oeffnet die Tuer: Nachricht an alle, die Keys dieses Levels
+     * zerfallen — und alle Spieler im Level bekommen automatisch einen Kompass,
+     * um schnell nachzukommen.
+     */
+    public void markDoorOpened(int levelIndex) {
+        if(!this.openedDoorLevels.add(levelIndex)) return;
+
+        this.getPlayers().forEach(player ->
+            BackroomsItems.removeMatching(player, item -> BackroomsItems.isKeyFor(item, levelIndex))
+        );
+
+        this.playersInLevel(levelIndex).forEach(player -> this.chestManager.giveCompassIfMissing(player, levelIndex));
+
+        new ChatMessage(Icon.INFO)
+            .appendTranslated("game_Backrooms#doorOpened")
+            .send(this.playersInLevel(levelIndex));
+    }
+
+    public LevelRuntime levelAt(int y) {
+        for(LevelRuntime level : this.levels) {
+            if(y >= level.getBaseY() && y < level.getBaseY() + LevelRuntime.LEVEL_HEIGHT) return level;
+        }
+        return null;
+    }
+
+    @Override
+    protected void onLoad(@NotNull CompletableFuture<Void> callback) {
+        callback.complete(null);
+    }
+
+    @Override
+    protected void onStart() {
+        // onStart laeuft in einem CompletableFuture — jede unbehandelte Exception wuerde
+        // lautlos verschluckt und ALLE Spielsysteme (Monster, Events, Sanity) blieben tot.
+        // Deshalb: alles einzeln kapseln und Fehler laut ins Log schreiben.
+        try {
+            this.getPlayers().forEach(player -> {
+                try {
+                    this.playerStates.put(player.getUuid(), new BackroomsPlayer(this.lives));
+                    player.setExp(1f);
+                    player.setFood(20);
+                    player.setFoodSaturation(0);
+                    this.createSidebar(player);
+                } catch(Exception e) {
+                    this.logger.severe("player setup failed for " + player.getUsername() + ": " + e);
+                    MinecraftServer.getExceptionManager().handleException(e);
+                }
+            });
+
+            for(LevelRuntime level : this.levels) {
+                try {
+                    level.getDefinition().populateMonsters(this, level, this.monsterDensity);
+                    this.logger.info("Backrooms level " + level.getIndex() + " ("
+                        + level.getDefinition().type() + "): " + level.getMonsters().size() + " monsters spawned");
+                } catch(Exception e) {
+                    this.logger.severe("populateMonsters failed for level " + level.getIndex() + ": " + e);
+                    MinecraftServer.getExceptionManager().handleException(e);
+                }
+            }
+
+            // Zentraler Spiel-Tick: Monster-AI (nur Level mit Spielern), No-Clip-Erkennung, Dunkelheits-Effekte
+            this.scheduler().submitTask(() -> {
+                if(!this.isRunning()) return TaskSchedule.stop();
+                this.tickCounter += 2;
+
+                for(LevelRuntime level : this.levels) {
+                    List<Player> playersInLevel = level.playersInLevel();
+                    if(playersInLevel.isEmpty()) continue;
+                    for(BackroomsMonster monster : List.copyOf(level.getMonsters())) {
+                        if(monster.isRemoved() || monster.isDead()) {
+                            monster.remove();
+                            level.getMonsters().remove(monster);
+                            continue;
+                        }
+                        // Spawn laeuft asynchron ueber loadChunk — bis dahin nicht ticken
+                        if(monster.getInstance() == null) continue;
+                        // Nur in Spielernaehe ticken: dort sind die Chunks garantiert geladen,
+                        // sonst wirft der Pathfinder auf ungeladenen Chunks NPEs
+                        boolean playerNear = playersInLevel.stream().anyMatch(player -> monster.getDistance(player) < 48);
+                        if(!playerNear) continue;
+                        try {
+                            monster.monsterTick(this.tickCounter);
+                        } catch(Exception e) {
+                            // Ein einziges kaputtes Monster darf nicht den ganzen AI-Task toeten
+                            this.logger.severe("monsterTick failed, removing monster " + monster.getEntityType() + ": " + e);
+                            MinecraftServer.getExceptionManager().handleException(e);
+                            monster.remove();
+                        }
+                    }
+                }
+
+                if(this.tickCounter % 10 == 0) {
+                    this.getPlayers().stream()
+                        .filter(player -> player.getGameMode() == GameMode.ADVENTURE)
+                        .forEach(player -> {
+                            try {
+                                this.transitionManager.onTick(player);
+                                this.applyDarkness(player);
+                            } catch(Exception e) {
+                                MinecraftServer.getExceptionManager().handleException(e);
+                            }
+                        });
+                }
+
+                return TaskSchedule.tick(2);
+            }, ExecutionType.TICK_START);
+
+            // Level-Events (Blackouts, Finale-Todeszone) + Monster-Director im Sekundentakt
+            this.scheduler().submitTask(() -> {
+                if(!this.isRunning()) return TaskSchedule.stop();
+                this.secondCounter++;
+                this.getPlayers().stream()
+                    .filter(player -> player.getGameMode() == GameMode.ADVENTURE)
+                    .forEach(player -> {
+                        try {
+                            this.tickHunger(player);
+                        } catch(Exception e) {
+                            // darf den Level-Event-Task nicht dauerhaft toeten
+                            MinecraftServer.getExceptionManager().handleException(e);
+                        }
+                    });
+                for(LevelRuntime level : this.levels) {
+                    if(level.playersInLevel().isEmpty()) continue;
+                    try {
+                        level.getDefinition().onLevelTick(this, level);
+                        if(this.secondCounter % 5 == 0) this.directMonsters(level);
+                    } catch(Exception e) {
+                        this.logger.severe("onLevelTick failed for level " + level.getIndex() + ": " + e);
+                        MinecraftServer.getExceptionManager().handleException(e);
+                    }
+                }
+                return TaskSchedule.seconds(1);
+            }, ExecutionType.TICK_END);
+
+            this.sanityManager.start();
+            this.ambienceEngine.start();
+            this.setTimeLimit(600 + this.levels.size() * 60);
+        } catch(Exception e) {
+            this.logger.severe("BackroomsGame.onStart failed: " + e);
+            MinecraftServer.getExceptionManager().handleException(e);
+        }
+    }
+
+    /**
+     * Sprinten kostet Hunger (sichtbar durch den Hunger-Effekt); unter 7 Punkten
+     * verweigert der Client das Sprinten von selbst. Der Vorrat reicht fuer rund
+     * 30 Sekunden Dauersprint; ohne Sprint regeneriert er langsam, Energy Bars
+     * fuellen ihn schnell.
+     */
+    private void tickHunger(Player player) {
+        if(player.isSprinting()) {
+            if(this.secondCounter % 2 == 0) player.setFood(Math.max(0, player.getFood() - 1));
+            player.addEffect(new Potion(PotionEffect.HUNGER, (byte) 0, 35));
+        } else if(this.secondCounter % 3 == 0) {
+            player.setFood(Math.min(20, player.getFood() + 1));
+        }
+    }
+
+    /**
+     * Monster-Director: haelt die Monsterpopulation in Spielernaehe. Roaming-Monster
+     * spawnen 6-14 Zellen (18-42 Bloecke) neben einem zufaelligen Spieler und despawnen,
+     * sobald sie von allen Spielern des Levels > 64 Bloecke entfernt sind. Fest platzierte
+     * Monster (Fallen wie Clumps, Smiler-Nester) bleiben bestehen.
+     */
+    private void directMonsters(LevelRuntime level) {
+        List<Player> players = level.playersInLevel();
+        if(players.isEmpty()) return;
+
+        for(BackroomsMonster monster : List.copyOf(level.getMonsters())) {
+            if(monster.isRemoved() || !monster.isRoaming() || monster.getInstance() == null) continue;
+            boolean anyoneNear = players.stream().anyMatch(player -> monster.getDistance(player) < 64);
+            if(!anyoneNear) {
+                monster.remove();
+                level.getMonsters().remove(monster);
+            }
+        }
+
+        long active = level.getMonsters().stream().filter(monster -> !monster.isRemoved()).count();
+        int target = this.monsterDensity + players.size();
+        if(active >= target) return;
+
+        var layout = level.getLayout();
+        for(int attempt = 0; attempt < 10 && active < target; attempt++) {
+            Player anchor = players.get(this.rnd.nextInt(players.size()));
+            int cx = layout.cellX(anchor.getPosition().x()) + this.randomOffset(6, 14);
+            int cz = layout.cellZ(anchor.getPosition().z()) + this.randomOffset(6, 14);
+            if(!layout.isWalkable(cx, cz)) continue;
+
+            // Nicht neben ein bereits vorhandenes Monster spawnen — sonst klumpen sie
+            Pos candidate = level.toPlayerPos(new int[]{cx, cz});
+            boolean crowded = level.getMonsters().stream()
+                .anyMatch(other -> !other.isRemoved() && other.getInstance() != null
+                    && other.getPosition().distance(candidate) < 12);
+            if(crowded) continue;
+
+            BackroomsMonster monster = level.getDefinition().createRoamingMonster(level, new int[]{cx, cz});
+            if(monster == null) continue;
+            monster.setRoaming(true);
+            monster.spawnAtCell(this, new int[]{cx, cz});
+            level.getMonsters().add(monster);
+            active++;
+        }
+    }
+
+    private int randomOffset(int min, int max) {
+        int magnitude = min + this.rnd.nextInt(max - min + 1);
+        return this.rnd.nextBoolean() ? magnitude : -magnitude;
+    }
+
+    /**
+     * DARKNESS-Effekt nur noch fuer Blackout-Events (ploetzlicher Lichtausfall) —
+     * dauerhaft dunkle Bereiche inkl. Lights Out verdunkelt bereits die echte
+     * Lichtberechnung; beides zusammen waere komplett blind.
+     */
+    private void applyDarkness(Player player) {
+        BackroomsPlayer state = this.playerState(player);
+        if(state == null) return;
+        LevelRuntime level = this.levels.get(state.getLevelIndex());
+        if(level.isBlackoutActive()) player.addEffect(new Potion(PotionEffect.DARKNESS, (byte) 0, 40));
+    }
+
+    @Override
+    protected void onStop() {
+        // Sidebars abrauemen — sonst nehmen die Spieler das Scoreboard mit in die Lobby
+        this.sidebars.values().forEach(sidebar ->
+            Set.copyOf(sidebar.getViewers()).forEach(sidebar::removeViewer)
+        );
+        this.sidebars.clear();
+
+        // Leben und Hunger zuruecksetzen — der Lobby-Reset des Frameworks macht das nicht
+        this.getPlayers().forEach(this::restoreVitals);
+    }
+
+    @Override
+    protected void onPlayerLeave(Player player) {
+        Sidebar sidebar = this.sidebars.remove(player.getUuid());
+        if(sidebar != null) sidebar.removeViewer(player);
+        this.restoreVitals(player);
+        super.onPlayerLeave(player);
+    }
+
+    private void restoreVitals(Player player) {
+        player.setHealth((float) player.getAttributeValue(Attribute.MAX_HEALTH));
+        player.setFood(20);
+        player.setFoodSaturation(5);
+    }
+
+    @Override
+    protected void onPlayerMove(@NotNull PlayerMoveEvent event) {
+        if(this.isBeforeBeginning) {
+            // Vor dem Start eingefroren: Umschauen erlaubt, Position bleibt fix
+            if(!event.getNewPosition().samePoint(event.getPlayer().getPosition())) {
+                event.setCancelled(true);
+            }
+            return;
+        }
+        this.transitionManager.onMove(event.getPlayer(), event.getNewPosition());
+    }
+
+    private void onUseItem(PlayerUseItemEvent event) {
+        Player player = event.getPlayer();
+        ItemStack item = event.getItemStack();
+
+        if(BackroomsItems.is(item, BackroomsItems.ALMOND_WATER)) {
+            event.setCancelled(true);
+            this.consumeOne(player, event);
+            this.sanityManager.restore(player, 0.4);
+            float maxHealth = (float) player.getAttributeValue(Attribute.MAX_HEALTH);
+            player.setHealth(Math.min(maxHealth, player.getHealth() + 4));
+            player.playSound(Sound.sound(SoundEvent.ENTITY_GENERIC_DRINK, Sound.Source.PLAYER, 1f, 1f), Sound.Emitter.self());
+        } else if(BackroomsItems.is(item, BackroomsItems.ENERGY_BAR)) {
+            event.setCancelled(true);
+            this.consumeOne(player, event);
+            player.setFood(Math.min(20, player.getFood() + 8));
+            player.playSound(Sound.sound(SoundEvent.ENTITY_PLAYER_BURP, Sound.Source.PLAYER, 1f, 1f), Sound.Emitter.self());
+        }
+    }
+
+    private void consumeOne(Player player, PlayerUseItemEvent event) {
+        ItemStack item = event.getItemStack();
+        player.setItemInHand(event.getHand(), item.withAmount(item.amount() - 1));
+    }
+
+    /** Spieler duerfen Monster schlagen (zurueckdraengen), aber keine anderen Spieler. */
+    private void onEntityAttack(EntityAttackEvent event) {
+        if(!(event.getEntity() instanceof Player attacker)) return;
+        if(!(event.getTarget() instanceof BackroomsMonster monster)) return;
+        if(this.isBeforeBeginning) return;
+
+        monster.damage(DamageType.PLAYER_ATTACK, 3);
+        var knockback = monster.getPosition().sub(attacker.getPosition()).asVec().withY(0).normalize().mul(8).withY(4);
+        monster.setVelocity(monster.getVelocity().add(knockback));
+    }
+
+    /** Hit-Delay + Abfangen toedlichen Schadens fuer die Leben-Logik. */
+    private void onEntityDamage(EntityDamageEvent event) {
+        if(!(event.getEntity() instanceof Player player)) return;
+        BackroomsPlayer state = this.playerState(player);
+        if(state == null || state.isEliminated() || state.isEscaped()) {
+            event.setCancelled(true);
+            return;
+        }
+
+        // Immunitaetsfenster wie Vanilla: ohne PvP-Lib gibt es sonst keinen Hit-Delay
+        long now = System.currentTimeMillis();
+        if(now - state.getLastDamageMillis() < 500) {
+            event.setCancelled(true);
+            return;
+        }
+        state.setLastDamageMillis(now);
+
+        if(event.getDamage().getAmount() < player.getHealth()) return;
+        event.setCancelled(true);
+        this.handleDeath(player, state);
+    }
+
+    private void handleDeath(Player player, BackroomsPlayer state) {
+        state.loseLife();
+        player.setHealth((float) player.getAttributeValue(Attribute.MAX_HEALTH));
+
+        if(state.getLives() <= 0) {
+            state.setEliminated(true);
+            player.setGameMode(GameMode.SPECTATOR);
+            new TitleMessage(Duration.ofSeconds(2)).appendTranslated("game_Backrooms#eliminated").send(player);
+            this.playSound(Sound.sound(SoundEvent.ENTITY_WITHER_SPAWN, Sound.Source.HOSTILE, 0.4f, 0.6f));
+            this.getScore().insertResult(player);
+            this.updateSidebars();
+            return;
+        }
+
+        // Respawn an zufaelliger Position im aktuellen Level; nur Schluessel bleiben im Inventar
+        this.stripInventoryExceptKeys(player);
+        LevelRuntime level = this.levels.get(state.getLevelIndex());
+        // Im Finale bekommt der Respawn eine frische persoenliche Jagd samt Vorsprung
+        if(level.getDefinition().type() == LevelType.FINALE) {
+            state.setFinaleSeconds(BackroomsPlayer.FINALE_NOT_STARTED);
+            state.setFinaleZoneX(Double.NEGATIVE_INFINITY);
+        }
+        player.teleport(level.randomSpawn());
+        player.addEffect(new Potion(PotionEffect.RESISTANCE, (byte) 4, 60));
+        player.addEffect(new Potion(PotionEffect.BLINDNESS, (byte) 0, 40));
+        player.playSound(Sound.sound(SoundEvent.ENTITY_ELDER_GUARDIAN_CURSE, Sound.Source.HOSTILE, 1f, 0.5f), Sound.Emitter.self());
+        new TitleMessage(Duration.ofSeconds(1)).appendTranslated("game_Backrooms#died").send(player);
+        this.updateSidebars();
+    }
+
+    private void stripInventoryExceptKeys(Player player) {
+        BackroomsItems.removeMatching(player, item -> !item.isAir()
+            && !BackroomsItems.is(item, BackroomsItems.LEVEL_KEY)
+            && !BackroomsItems.is(item, BackroomsItems.DOOR_COMPASS));
+    }
+
+    /** Uebergang ins naechste Level (durch Fall, Glitch-Boden oder No-Clip-Wand). */
+    public void advanceLevel(Player player, boolean teleport) {
+        BackroomsPlayer state = this.playerState(player);
+        if(state == null) return;
+        int previous = state.getLevelIndex();
+        int next = previous + 1;
+        if(next >= this.levels.size()) return;
+        state.setLevelIndex(next);
+        state.setLevelEnteredMillis(System.currentTimeMillis());
+
+        // Key und Kompass des alten Levels sind hier wertlos — weg damit
+        BackroomsItems.removeMatching(player, item -> BackroomsItems.isDoorItemFor(item, previous));
+
+        LevelRuntime level = this.levels.get(next);
+        // Ins Finale steigt man immer am Korridor-Anfang ein — sonst wuerde der
+        // Fall-Schacht mitten auf der Rennstrecke enden
+        boolean isFinale = level.getDefinition().type() == LevelType.FINALE;
+        if(teleport || isFinale) player.teleport(level.randomSpawn());
+
+        // Ist die Tuer dieses Levels schon offen, gibt es den Kompass zum Nachkommen
+        if(this.isDoorOpened(next)) this.chestManager.giveCompassIfMissing(player, next);
+
+        // Sichtbarkeitsregeln werden nur beim Aufruf ausgewertet — fuer den neuen
+        // Spieler im Level muessen alle Monster ihre Viewer neu berechnen, sonst
+        // bleiben sie fuer ihn unsichtbar (greifen aber serverseitig an)
+        level.getMonsters().forEach(monster -> {
+            if(!monster.isRemoved()) monster.updateViewableRule();
+        });
+
+        player.addEffect(new Potion(PotionEffect.BLINDNESS, (byte) 0, 40));
+        player.playSound(Sound.sound(SoundEvent.BLOCK_PORTAL_TRAVEL, Sound.Source.AMBIENT, 0.4f, 0.5f), Sound.Emitter.self());
+        new TitleMessage(Duration.ofSeconds(2))
+            .appendTranslated(level.getDefinition().type().translationKey())
+            .send(player);
+        this.updateSidebars();
+    }
+
+    /** Der Spieler hat das Finale durchquert und ist entkommen. */
+    public void escape(Player player) {
+        BackroomsPlayer state = this.playerState(player);
+        if(state == null || state.isEscaped()) return;
+        state.setEscaped(true);
+
+        player.setGameMode(GameMode.SPECTATOR);
+        new TitleMessage(Duration.ofSeconds(3)).appendTranslated("game_Backrooms#escaped").send(player);
+        this.playSound(Sound.sound(SoundEvent.UI_TOAST_CHALLENGE_COMPLETE, Sound.Source.MASTER, 0.8f, 1f));
+        this.getScore().insertResult(player, 1);
+        this.updateSidebars();
+    }
+
+    private void createSidebar(Player player) {
+        Sidebar sidebar = new Sidebar(Component.text("Backrooms"));
+        sidebar.createLine(new Sidebar.ScoreboardLine("level", this.sidebarLevelLine(player), 2));
+        sidebar.createLine(new Sidebar.ScoreboardLine("lives", this.sidebarLivesLine(player), 1));
+        sidebar.createLine(new Sidebar.ScoreboardLine("players", this.sidebarPlayersLine(), 0));
+        sidebar.addViewer(player);
+        this.sidebars.put(player.getUuid(), sidebar);
+    }
+
+    private Component sidebarLevelLine(Player player) {
+        BackroomsPlayer state = this.playerState(player);
+        int index = state == null ? 0 : state.getLevelIndex();
+        return TranslatedComponent.byId(this.levels.get(index).getDefinition().type().translationKey()).getAssembled(player);
+    }
+
+    private Component sidebarLivesLine(Player player) {
+        BackroomsPlayer state = this.playerState(player);
+        return Component.text("❤ " + (state == null ? this.lives : Math.max(0, state.getLives())));
+    }
+
+    private Component sidebarPlayersLine() {
+        long active = this.playerStates.values().stream()
+            .filter(state -> !state.isEliminated() && !state.isEscaped())
+            .count();
+        return Component.text("☠ " + active);
+    }
+
+    private void updateSidebars() {
+        this.getPlayers().forEach(player -> {
+            Sidebar sidebar = this.sidebars.get(player.getUuid());
+            if(sidebar == null) return;
+            sidebar.updateLineContent("level", this.sidebarLevelLine(player));
+            sidebar.updateLineContent("lives", this.sidebarLivesLine(player));
+            sidebar.updateLineContent("players", this.sidebarPlayersLine());
+        });
+    }
+
+    @Override
+    public Pos getSpawn() {
+        // Jeder Spieler bekommt einen zufaelligen, weit gestreuten Spawn in Level 0
+        return this.levels.getFirst().randomSpawn();
+    }
+}
@@ -1,86 +0,0 @@
-package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms;
-
-import net.minestom.server.instance.block.Block;
-import net.minestom.server.instance.generator.GenerationUnit;
-import net.minestom.server.instance.generator.UnitModifier;
-import java.util.concurrent.ThreadLocalRandom;
-
-public class BackroomsGenerator {
-    public void generateRoom(GenerationUnit unit, int y) {
-        var modifier = unit.modifier();
-        var start = unit.absoluteStart();
-        var yPos = start.blockY() + y;
-
-        for (int x = 0; x < unit.size().blockX(); x++) {
-            for (int z = 0; z < unit.size().blockZ(); z++) {
-                var xPos = start.blockX() + x;
-                var zPos = start.blockZ() + z;
-
-                modifier.setBlock(xPos, yPos - 1, zPos, Block.BEDROCK);
-                modifier.setBlock(xPos, yPos + 5, zPos, Block.BEDROCK);
-
-                modifier.setBlock(xPos, yPos, zPos, Block.LIGHT_GRAY_WOOL);
-                modifier.setBlock(xPos, yPos + 4, zPos, Block.SMOOTH_STONE_SLAB);
-
-                // idk man... dont ask about this
-                if (
-                        (x - 2) % 4 == 0 && (
-                                ((z - 2) % 8 == 0) ||
-                                        ((z - 2) % 8 == 1) ||
-                                        ((z - 2) % 8 == 3) ||
-                                        ((z - 2) % 8 == 4)
-                        )
-                ) {
-                    modifier.setBlock(xPos, yPos + 4, zPos, Block.SEA_LANTERN);
-                }
-            }
-        }
-
-        generateWalls(modifier, start.blockX() + 0, yPos + 1, start.blockZ() + 0);
-        generateWalls(modifier, start.blockX() + 8, yPos + 1, start.blockZ() + 0);
-        generateWalls(modifier, start.blockX() + 0, yPos + 1, start.blockZ() + 8);
-        generateWalls(modifier, start.blockX() + 8, yPos + 1, start.blockZ() + 8);
-    }
-
-    private void generateWalls(UnitModifier modifier, int xPos, int yPos, int zPos) {
-        generatePillar(modifier, xPos, yPos, zPos, Block.CHISELED_SANDSTONE);
-
-        var random = ThreadLocalRandom.current();
-
-        var wall1 = random.nextInt(4) != 0;
-        var wall2 = random.nextInt(4) != 0;
-        var door1 = random.nextInt(2) != 0;
-        var door2 = random.nextInt(2) != 0;
-
-        var door1pos = random.nextInt(2, 6);
-        var door2pos = random.nextInt(2, 6);
-
-        if (wall1) {
-            for (int x = xPos; x < xPos + 8; x++) {
-                generatePillar(modifier, x, yPos, zPos, Block.SMOOTH_SANDSTONE);
-            }
-        }
-
-        if (wall2) {
-            for (int z = zPos; z < zPos + 8; z++) {
-                generatePillar(modifier, xPos, yPos, z, Block.SMOOTH_SANDSTONE);
-            }
-        }
-
-        if (door1 && wall1) {
-            generatePillar(modifier, xPos + door1pos, yPos, zPos, Block.AIR);
-            generatePillar(modifier, xPos + door1pos + 1, yPos, zPos, Block.AIR);
-        }
-
-        if (door2 && wall2) {
-            generatePillar(modifier, xPos, yPos, zPos + door2pos, Block.AIR);
-            generatePillar(modifier, xPos, yPos, zPos + door2pos + 1, Block.AIR);
-        }
-    }
-
-    private void generatePillar(UnitModifier modifier, int xPos, int yPos, int zPos, Block material) {
-        for (int y = yPos; y < yPos + 3; y++) {
-            modifier.setBlock(xPos, y, zPos, material);
-        }
-    }
-}
@@ -0,0 +1,96 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms;
+
+/**
+ * Laufzeit-Zustand eines Spielers: Leben, aktuelles Level, Sanity und Fortschritt.
+ */
+public class BackroomsPlayer {
+    private int lives;
+    private int levelIndex = 0;
+    private double sanity = 1.0;
+    private boolean escaped = false;
+    private boolean eliminated = false;
+    private long lastDamageMillis = 0;
+    private long levelEnteredMillis = System.currentTimeMillis();
+
+    // Persoenlicher Finale-Zustand: jeder Spieler hat seine eigene Verfolgungsjagd
+    public static final int FINALE_NOT_STARTED = Integer.MIN_VALUE;
+    private int finaleSeconds = FINALE_NOT_STARTED;
+    private double finaleZoneX = Double.NEGATIVE_INFINITY;
+
+    public BackroomsPlayer(int lives) {
+        this.lives = lives;
+    }
+
+    public int getLives() {
+        return this.lives;
+    }
+
+    public void loseLife() {
+        this.lives--;
+    }
+
+    public int getLevelIndex() {
+        return this.levelIndex;
+    }
+
+    public void setLevelIndex(int levelIndex) {
+        this.levelIndex = levelIndex;
+    }
+
+    public double getSanity() {
+        return this.sanity;
+    }
+
+    public void setSanity(double sanity) {
+        this.sanity = sanity;
+    }
+
+    public boolean isEscaped() {
+        return this.escaped;
+    }
+
+    public void setEscaped(boolean escaped) {
+        this.escaped = escaped;
+    }
+
+    public boolean isEliminated() {
+        return this.eliminated;
+    }
+
+    public void setEliminated(boolean eliminated) {
+        this.eliminated = eliminated;
+    }
+
+    public int getFinaleSeconds() {
+        return this.finaleSeconds;
+    }
+
+    public void setFinaleSeconds(int finaleSeconds) {
+        this.finaleSeconds = finaleSeconds;
+    }
+
+    public double getFinaleZoneX() {
+        return this.finaleZoneX;
+    }
+
+    public void setFinaleZoneX(double finaleZoneX) {
+        this.finaleZoneX = finaleZoneX;
+    }
+
+    public long getLevelEnteredMillis() {
+        return this.levelEnteredMillis;
+    }
+
+    public void setLevelEnteredMillis(long levelEnteredMillis) {
+        this.levelEnteredMillis = levelEnteredMillis;
+    }
+
+    public long getLastDamageMillis() {
+        return this.lastDamageMillis;
+    }
+
+    public void setLastDamageMillis(long lastDamageMillis) {
+        this.lastDamageMillis = lastDamageMillis;
+    }
+
+}
@@ -0,0 +1,58 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms;
+
+import eu.mhsl.minenet.minigames.message.TranslatableMessage;
+import eu.mhsl.minenet.minigames.message.type.TitleMessage;
+import eu.mhsl.minenet.minigames.score.Score;
+import net.minestom.server.entity.Player;
+
+import java.time.Duration;
+import java.util.Set;
+
+/**
+ * Kombi-Wertung: Entkommene stehen in Flucht-Reihenfolge vorn; danach folgen die
+ * Gestorbenen, spaeterer Tod = besserer Platz. Der letzte Ueberlebende (via
+ * insertRemainingPlayers) landet direkt hinter den Entkommenen — gewinnt also,
+ * wenn niemand entkommen ist.
+ */
+public class BackroomsScore extends Score {
+    private int escapedCount = 0;
+
+    /** Entkommen (Punkte-Pfad) */
+    @Override
+    protected void insertResultImplementation(Set<Player> p, int points) {
+        this.getScores().add(this.escapedCount, p);
+        this.escapedCount++;
+    }
+
+    /** Tod bzw. verbliebene Spieler bei Spielende */
+    @Override
+    protected void insertResultImplementation(Set<Player> p) {
+        this.getScores().add(this.escapedCount, p);
+    }
+
+    /**
+     * Wie Score.checkGameEnd, aber mit Untergrenze von einem echten Ergebnis:
+     * mit ignoreLastPlayers=1 und nur einem Spieler wuerde das Spiel sonst
+     * sofort nach dem Start enden (0 &gt;= 1-1).
+     */
+    @Override
+    protected void checkGameEnd() {
+        if(this.isClosed()) return;
+        if(!this.instance.isRunning()) return;
+        if(this.instance.getPlayers().isEmpty()) return;
+
+        int required = Math.max(1, this.instance.getPlayers().size() - this.getIgnoreLastPlayers());
+        if(this.resultCount() >= required) {
+            if(this.getIgnoreLastPlayers() > 0) {
+                this.insertRemainingPlayers(this.instance.getPlayers());
+            } else {
+                this.setDone();
+            }
+        }
+    }
+
+    @Override
+    protected TranslatableMessage scoreMessage() {
+        return new TitleMessage(Duration.ofMillis(1000), Duration.ofSeconds(1)).appendTranslated("score#finish");
+    }
+}
@@ -0,0 +1,43 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms;
+
+import eu.mhsl.minenet.minigames.instance.Dimension;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelRuntime;
+import net.minestom.server.Auth;
+import net.minestom.server.MinecraftServer;
+
+/**
+ * Wegwerf-Smoke-Test (headless, ohne Client): baut ein Spiel, spawnt die Monster
+ * und prueft, ob sie tatsaechlich in der Instanz landen. Wird nach der Diagnose geloescht.
+ */
+public class BackroomsSmokeTest {
+    public static void main(String[] args) throws Exception {
+        MinecraftServer server = MinecraftServer.init(new Auth.Offline());
+        Dimension.values();
+        server.start("127.0.0.1", 25599);
+
+        BackroomsGame game = new BackroomsGame(4, 3, 2, 0, false, 8);
+
+        for(LevelRuntime level : game.getLevels()) {
+            System.out.println("[SMOKE] Level " + level.getIndex() + " = " + level.getDefinition().type()
+                + ", baseY=" + level.getBaseY()
+                + ", cells=" + level.getLayout().getCells()
+                + ", spawns=" + level.getLayout().getSpawnCells().size()
+                + ", chests=" + level.getLayout().getChestCells().size()
+                + ", exit=" + java.util.Arrays.toString(level.getLayout().getExitCell()));
+            level.getDefinition().populateMonsters(game, level, 2);
+        }
+
+        Thread.sleep(8000);
+
+        for(LevelRuntime level : game.getLevels()) {
+            long inInstance = level.getMonsters().stream().filter(m -> m.getInstance() != null).count();
+            System.out.println("[SMOKE] Level " + level.getIndex() + " (" + level.getDefinition().type() + "): "
+                + level.getMonsters().size() + " Monster erzeugt, " + inInstance + " in der Instanz");
+            level.getMonsters().forEach(m -> System.out.println("[SMOKE]   - " + m.getEntityType()
+                + " @ " + m.getPosition() + " instance=" + (m.getInstance() != null)));
+        }
+
+        System.out.println("[SMOKE] done");
+        System.exit(0);
+    }
+}
@@ -0,0 +1,96 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms;
+
+import eu.mhsl.minenet.minigames.instance.Dimension;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelRuntime;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.BackroomsMonster;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Clump;
+import net.minestom.server.Auth;
+import net.minestom.server.MinecraftServer;
+import net.minestom.server.entity.GameMode;
+import net.minestom.server.entity.Player;
+import net.minestom.server.network.packet.server.SendablePacket;
+import net.minestom.server.network.player.GameProfile;
+import net.minestom.server.network.player.PlayerConnection;
+
+import java.lang.reflect.Field;
+import java.net.InetSocketAddress;
+import java.net.SocketAddress;
+import java.util.UUID;
+
+/**
+ * Wegwerf-Repro (headless): spawnt einen Clump, stellt einen Dummy-Spieler daneben
+ * und treibt monsterTick von Hand — prueft, ob der Jumpscare-Trigger feuert.
+ */
+public class ClumpTriggerTest {
+    public static void main(String[] args) throws Exception {
+        MinecraftServer server = MinecraftServer.init(new Auth.Offline());
+        Dimension.values();
+        server.start("127.0.0.1", 25598);
+
+        BackroomsGame game = new BackroomsGame(4, 3, 2, 0, false, 8);
+        LevelRuntime level = game.getLevels().getFirst();
+
+        PlayerConnection connection = new PlayerConnection() {
+            @Override
+            public void sendPacket(SendablePacket packet) {
+            }
+
+            @Override
+            public SocketAddress getRemoteAddress() {
+                return new InetSocketAddress("127.0.0.1", 0);
+            }
+        };
+        Player player = new Player(connection, new GameProfile(UUID.randomUUID(), "Testificate"));
+        int[] spawnCell = level.getLayout().getSpawnCells().getFirst();
+        player.setInstance(game, level.toPlayerPos(spawnCell)).join();
+        player.setGameMode(GameMode.ADVENTURE);
+        System.out.println("[REPRO] player instance=" + (player.getInstance() != null) + " gamemode=" + player.getGameMode());
+
+        game.onStart();
+        System.out.println("[REPRO] playerState=" + game.playerState(player));
+
+        Clump clump = new Clump(level) {
+            @Override
+            public void remove() {
+                new Exception("[REPRO] remove() aufgerufen, dead=" + this.isDead() + " health=" + this.getHealth()).printStackTrace(System.out);
+                super.remove();
+            }
+        };
+        try {
+            var position = level.toPlayerPos(spawnCell);
+            for(int dx = -1; dx <= 1; dx++) {
+                for(int dz = -1; dz <= 1; dz++) {
+                    game.loadChunk(position.chunkX() + dx, position.chunkZ() + dz).join();
+                }
+            }
+            System.out.println("[REPRO] chunks loaded, calling setInstance to " + position);
+            clump.setInstance(game, position).join();
+        } catch(Throwable t) {
+            System.out.println("[REPRO] spawn failed:");
+            t.printStackTrace(System.out);
+        }
+        Thread.sleep(1000);
+        System.out.println("[REPRO] clump instance=" + (clump.getInstance() != null) + " pos=" + clump.getPosition() + " removed=" + clump.isRemoved());
+
+        player.teleport(clump.getPosition().add(1.2, 0, 0)).join();
+        Thread.sleep(500);
+        System.out.println("[REPRO] distance=" + clump.getDistance(player));
+        System.out.println("[REPRO] playersInLevel(0)=" + game.playersInLevel(0).size());
+
+        Field stateField = BackroomsMonster.class.getDeclaredField("state");
+        stateField.setAccessible(true);
+        for(long t = 2; t <= 160; t += 2) {
+            clump.monsterTick(t);
+            if(t % 20 == 0) {
+                System.out.println("[REPRO] t=" + t + " state=" + stateField.get(clump)
+                    + " removed=" + clump.isRemoved()
+                    + " velocity=" + clump.getVelocity()
+                    + " playerHealth=" + player.getHealth());
+            }
+            Thread.sleep(50);
+        }
+
+        System.out.println("[REPRO] done");
+        System.exit(0);
+    }
+}
@@ -0,0 +1,70 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.ambience;
+
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.BackroomsGame;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelRuntime;
+import net.kyori.adventure.sound.Sound;
+import net.minestom.server.entity.Player;
+import net.minestom.server.sound.SoundEvent;
+import net.minestom.server.timer.ExecutionType;
+import net.minestom.server.timer.TaskSchedule;
+
+import java.util.Random;
+
+/**
+ * Spielt pro Level den Ambience-Loop und seltene positionale One-Shots,
+ * dazu global einen sehr leisen End-Soundtrack. Level ohne Spieler bleiben stumm.
+ */
+public class AmbienceEngine {
+    private final BackroomsGame game;
+    private final Random rnd = new Random();
+    private int secondCounter = 0;
+
+    public AmbienceEngine(BackroomsGame game) {
+        this.game = game;
+    }
+
+    public void start() {
+        this.game.scheduler().submitTask(() -> {
+            if(!this.game.isRunning()) return TaskSchedule.stop();
+            try {
+                this.tick();
+            } catch(Exception e) {
+                // Ein Fehler darf den Ambience-Task nicht dauerhaft toeten
+                net.minestom.server.MinecraftServer.getExceptionManager().handleException(e);
+            }
+            return TaskSchedule.seconds(1);
+        }, ExecutionType.TICK_END);
+    }
+
+    private void tick() {
+        this.secondCounter++;
+
+            for(LevelRuntime level : this.game.getLevels()) {
+                var players = level.playersInLevel();
+                if(players.isEmpty()) continue;
+
+                AmbienceProfile profile = level.getDefinition().ambience();
+                if(this.secondCounter % profile.loopPeriodSeconds() == 0) {
+                    players.forEach(player -> player.playSound(
+                        Sound.sound(profile.loop(), Sound.Source.AMBIENT, profile.loopVolume(), profile.loopPitch()),
+                        Sound.Emitter.self()
+                    ));
+                }
+
+                for(Player player : players) {
+                    if(this.rnd.nextDouble() >= profile.oneShotChancePerSecond()) continue;
+                    if(profile.oneShots().isEmpty()) continue;
+                    SoundEvent oneShot = profile.oneShots().get(this.rnd.nextInt(profile.oneShots().size()));
+                    Jumpscare.playBehind(player, oneShot, Sound.Source.AMBIENT, 5, 0.6f, 0.8f);
+                }
+            }
+
+            // Der End-Soundtrack als kaum hoerbare, unheimliche Untermalung
+            if(this.secondCounter % 180 == 1) {
+                this.game.getPlayers().forEach(player -> player.playSound(
+                    Sound.sound(SoundEvent.MUSIC_END, Sound.Source.MUSIC, 0.05f, 1f),
+                    Sound.Emitter.self()
+                ));
+            }
+    }
+}
@@ -0,0 +1,20 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.ambience;
+
+import net.minestom.server.sound.SoundEvent;
+
+import java.util.List;
+
+/**
+ * Klangprofil eines Levels: wiederkehrender Basis-Loop plus seltene Zufalls-One-Shots
+ * (entfernte Schritte, Knarren, Fluestern ...), die die AmbienceEngine positional
+ * hinter den Spielern abspielt.
+ */
+public record AmbienceProfile(
+    SoundEvent loop,
+    float loopVolume,
+    float loopPitch,
+    int loopPeriodSeconds,
+    List<SoundEvent> oneShots,
+    double oneShotChancePerSecond
+) {
+}
@@ -0,0 +1,81 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.ambience;
+
+import net.kyori.adventure.sound.Sound;
+import net.minestom.server.MinecraftServer;
+import net.minestom.server.coordinate.Pos;
+import net.minestom.server.coordinate.Vec;
+import net.minestom.server.entity.EntityType;
+import net.minestom.server.entity.EquipmentSlot;
+import net.minestom.server.entity.LivingEntity;
+import net.minestom.server.entity.Player;
+import net.minestom.server.instance.Instance;
+import net.minestom.server.item.ItemStack;
+import net.minestom.server.item.Material;
+import net.minestom.server.network.packet.server.play.ChangeGameStatePacket;
+import net.minestom.server.sound.SoundEvent;
+import net.minestom.server.timer.TaskSchedule;
+
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Jumpscare-Rezepte. Alle Methoden sind bewusst kurz und komponierbar:
+ * sound() nur akustisch, visual() mit kurzem Schreckbild, fake() als Sanity-Halluzination.
+ */
+public final class Jumpscare {
+    private static final List<SoundEvent> SCARE_SOUNDS = List.of(
+        SoundEvent.ENTITY_ENDERMAN_SCREAM,
+        SoundEvent.ENTITY_CAT_HISS,
+        SoundEvent.ENTITY_ELDER_GUARDIAN_CURSE,
+        SoundEvent.AMBIENT_CAVE
+    );
+
+    private Jumpscare() {
+    }
+
+    /** Positionsgebundener Sound schraeg hinter dem Spieler. */
+    public static void playBehind(Player player, SoundEvent event, Sound.Source source, double distance, float volume, float pitch) {
+        Pos behind = player.getPosition().sub(player.getPosition().direction().mul(distance));
+        player.playSound(Sound.sound(event, source, volume, pitch), behind.x(), behind.y(), behind.z());
+    }
+
+    /** Lauter Schreckenssound direkt hinter dem Spieler. */
+    public static void sound(Player player, Random rnd) {
+        SoundEvent event = SCARE_SOUNDS.get(rnd.nextInt(SCARE_SOUNDS.size()));
+        playBehind(player, event, Sound.Source.HOSTILE, 3, 1.5f, 0.5f + rnd.nextFloat() * 0.2f);
+    }
+
+    /**
+     * Schreckbild: der Elder-Guardian-Geist blitzt als Fullscreen-Overlay auf,
+     * gleichzeitig erscheint fuer einen Wimpernschlag ein Schaedel direkt vor dem
+     * Gesicht — Doppelschlag aus Overlay und physischem Schreckbild.
+     */
+    public static void visual(Player player, Instance instance) {
+        player.sendPacket(new ChangeGameStatePacket(ChangeGameStatePacket.Reason.PLAYER_ELDER_GUARDIAN_MOB_APPEARANCE, 0f));
+
+        Vec direction = player.getPosition().direction();
+        Pos position = player.getPosition()
+            .add(direction.mul(1.6))
+            .add(0, player.getEyeHeight() - 1.4, 0)
+            .withYaw(player.getPosition().yaw() + 180)
+            .withPitch(0);
+
+        LivingEntity scare = new LivingEntity(EntityType.ARMOR_STAND);
+        scare.updateViewableRule(viewer -> viewer.getUuid().equals(player.getUuid()));
+        scare.setInvisible(true);
+        scare.setNoGravity(true);
+        scare.setEquipment(EquipmentSlot.HELMET, ItemStack.of(Material.WITHER_SKELETON_SKULL));
+        scare.setInstance(instance, position);
+        MinecraftServer.getSchedulerManager().scheduleTask(scare::remove, TaskSchedule.tick(8), TaskSchedule.stop());
+
+        player.playSound(Sound.sound(SoundEvent.ENTITY_ELDER_GUARDIAN_CURSE, Sound.Source.HOSTILE, 1.8f, 0.6f), player.getPosition());
+        player.playSound(Sound.sound(SoundEvent.ENTITY_ENDERMAN_SCREAM, Sound.Source.HOSTILE, 1.2f, 0.5f), player.getPosition());
+    }
+
+
+    /** Harmlose Halluzination bei niedriger Sanity: nur ein Geraeusch, keine Gefahr. */
+    public static void fake(Player player, Random rnd) {
+        SoundEvent event = rnd.nextBoolean() ? SoundEvent.BLOCK_WOODEN_DOOR_CLOSE : SoundEvent.BLOCK_STONE_STEP;
+        playBehind(player, event, Sound.Source.AMBIENT, 4, 0.8f, 0.9f);
+    }
+}
@@ -0,0 +1,72 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.door;
+
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.BackroomsGame;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.item.BackroomsItems;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelLayout;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelRuntime;
+import net.kyori.adventure.sound.Sound;
+import net.minestom.server.entity.Player;
+import net.minestom.server.event.player.PlayerBlockInteractEvent;
+import net.minestom.server.instance.block.Block;
+import net.minestom.server.item.ItemStack;
+import net.minestom.server.sound.SoundEvent;
+
+/**
+ * Verschlossene Exit-Kammern: die DOOR-Zelle ist mit IRON_BARS gefuellt und
+ * oeffnet sich nur mit dem Level Key des jeweiligen Levels.
+ */
+public class DoorManager {
+    private final BackroomsGame game;
+
+    public DoorManager(BackroomsGame game) {
+        this.game = game;
+    }
+
+    public void onInteract(PlayerBlockInteractEvent event) {
+        if(!event.getBlock().compare(Block.IRON_DOOR)) return;
+
+        Player player = event.getPlayer();
+        LevelRuntime level = this.game.levelAt(event.getBlockPosition().blockY());
+        if(level == null) return;
+
+        event.setCancelled(true);
+        event.setBlockingItemUse(true);
+
+        ItemStack held = player.getItemInHand(event.getHand());
+        if(!BackroomsItems.isKeyFor(held, level.getIndex())) {
+            player.playSound(Sound.sound(SoundEvent.BLOCK_CHEST_LOCKED, Sound.Source.BLOCK, 1f, 0.7f), player.getPosition());
+            return;
+        }
+
+        // Einzeltuer-Semantik (Finale-Duell-Kammern): Key oeffnet nur DIESE Tuer und wird verbraucht
+        if(level.getDefinition().opensSingleDoors()) {
+            player.setItemInHand(event.getHand(), held.withAmount(held.amount() - 1));
+            this.openSingleDoor(level, event.getBlockPosition().blockX(), event.getBlockPosition().blockZ());
+            player.playSound(Sound.sound(SoundEvent.BLOCK_IRON_DOOR_OPEN, Sound.Source.BLOCK, 1f, 0.6f), player.getPosition());
+            return;
+        }
+
+        this.openDoor(level);
+        this.game.markDoorOpened(level.getIndex());
+        player.playSound(Sound.sound(SoundEvent.BLOCK_IRON_DOOR_OPEN, Sound.Source.BLOCK, 1f, 0.6f), player.getPosition());
+    }
+
+    /** Oeffnet nur die Tuer an der angeklickten Zelle. */
+    private void openSingleDoor(LevelRuntime level, int blockX, int blockZ) {
+        LevelLayout layout = level.getLayout();
+        int cx = layout.cellX(blockX);
+        int cz = layout.cellZ(blockZ);
+        if(layout.cellAt(cx, cz) != LevelLayout.Cell.DOOR) return;
+        int doorX = layout.worldX(cx) + 1;
+        int doorZ = layout.worldZ(cz) + 1;
+        this.game.setBlock(doorX, level.getBaseY() + 2, doorZ, Block.AIR);
+        this.game.setBlock(doorX, level.getBaseY() + 3, doorZ, Block.AIR);
+    }
+
+    /** Oeffnet die Exit-Kammer-Tuer des Levels (Position kennt das Layout). */
+    private void openDoor(LevelRuntime level) {
+        int[] door = level.getLayout().getDoorCell();
+        if(door == null) return;
+        this.openSingleDoor(level, level.getLayout().worldX(door[0]) + 1, level.getLayout().worldZ(door[1]) + 1);
+    }
+}
@@ -0,0 +1,335 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.generator;
+
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelLayout;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelLayout.Cell;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelPalette;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelRuntime;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.TransitionType;
+import net.minestom.server.coordinate.Point;
+import net.minestom.server.instance.block.Block;
+import net.minestom.server.instance.generator.GenerationUnit;
+import net.minestom.server.instance.generator.Generator;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+import java.util.Set;
+
+/**
+ * Rendert die vorab berechneten Level-Layouts als vertikal gestapelte Ebenen.
+ * Reines Lookup: saemtliche Struktur (Maze, Exits, Kisten, Licht) steht im LevelLayout.
+ *
+ * Aufbau je Level (baseY b): b Bedrock, b+1 Boden, b+2..b+1+roomHeight Raum,
+ * b+2+roomHeight Decke, b+3+roomHeight Bedrock. Exit-Schaechte (HOLE/LADDER) durchbrechen
+ * Boden und die Decke des Levels darunter.
+ */
+public class BackroomsChunkGenerator implements Generator {
+    private final List<LevelRuntime> levels;
+    /** O(1)-Lookups pro Level (statt Listen-Scans pro Blocksaeule) */
+    private final List<Set<Long>> lightKeys = new ArrayList<>();
+    private final List<Set<Long>> chestKeys = new ArrayList<>();
+
+    /** wiederverwendetes Random pro Generator-Thread (Seed pro Saeule gesetzt) */
+    private static final ThreadLocal<Random> COLUMN_RANDOM = ThreadLocal.withInitial(Random::new);
+
+    public BackroomsChunkGenerator(List<LevelRuntime> levels) {
+        this.levels = levels;
+        for(LevelRuntime level : levels) {
+            Set<Long> lights = new HashSet<>();
+            level.getLayout().getLightCells().forEach(cell -> lights.add(cellKey(cell[0], cell[1])));
+            this.lightKeys.add(lights);
+
+            Set<Long> chests = new HashSet<>();
+            level.getLayout().getChestCells().forEach(cell -> chests.add(cellKey(cell[0], cell[1])));
+            int[] keyChest = level.getLayout().getKeyChestCell();
+            if(keyChest != null) chests.add(cellKey(keyChest[0], keyChest[1]));
+            this.chestKeys.add(chests);
+        }
+    }
+
+    private static long cellKey(int cx, int cz) {
+        return ((long) cx << 32) | (cz & 0xFFFFFFFFL);
+    }
+
+    @Override
+    public void generate(@NotNull GenerationUnit unit) {
+        Point start = unit.absoluteStart();
+
+        // Massive Zwischenschichten als ein fillHeight pro Level statt ~17 setBlock
+        // pro Saeule; Schacht-Saeulen werden in generateColumn wieder freigeraeumt
+        for(int levelIndex = 1; levelIndex < this.levels.size(); levelIndex++) {
+            LevelRuntime level = this.levels.get(levelIndex);
+            int bandStart = level.getBaseY() + 2 + level.getDefinition().palette().roomHeight() + 2;
+            unit.modifier().fillHeight(bandStart, level.getBaseY() + LevelRuntime.LEVEL_HEIGHT, Block.BEDROCK);
+        }
+
+        for(int x = 0; x < unit.size().blockX(); x++) {
+            for(int z = 0; z < unit.size().blockZ(); z++) {
+                int worldX = start.blockX() + x;
+                int worldZ = start.blockZ() + z;
+
+                for(int levelIndex = 0; levelIndex < this.levels.size(); levelIndex++) {
+                    this.generateColumn(unit, this.levels.get(levelIndex), levelIndex, worldX, worldZ);
+                }
+            }
+        }
+    }
+
+    private void generateColumn(GenerationUnit unit, LevelRuntime level, int levelIndex, int worldX, int worldZ) {
+        LevelLayout layout = level.getLayout();
+        int cx = layout.cellX(worldX);
+        int cz = layout.cellZ(worldZ);
+        if(!layout.inBounds(cx, cz) || !layout.inGenerationBounds(cx, cz)) return;
+
+        LevelPalette palette = level.getDefinition().palette();
+        int baseY = level.getBaseY();
+        int ceilingY = baseY + 2 + palette.roomHeight();
+        Cell cell = layout.cellAt(cx, cz);
+        TransitionType transition = level.getDefinition().transitionType();
+
+        // deterministische Variation pro Saeule (fleckige Boeden/Waende)
+        Random rnd = COLUMN_RANDOM.get();
+        rnd.setSeed(worldX * 341873128712L + worldZ * 132897987541L + levelIndex);
+
+        boolean openShaft = cell == Cell.EXIT && (transition == TransitionType.HOLE || transition == TransitionType.LADDER);
+
+        // Boden + Fundament
+        if(openShaft) {
+            // Schacht: kein Boden, Loch faellt bis ins Level darunter
+        } else if(cell == Cell.WATER) {
+            this.set(unit, worldX, baseY, worldZ, Block.BEDROCK);
+            this.set(unit, worldX, baseY + 1, worldZ, Block.WATER);
+        } else if(cell == Cell.DEEP_WATER) {
+            // doppelt tiefes Becken: zwei Wasserschichten
+            this.set(unit, worldX, baseY, worldZ, Block.BEDROCK);
+            this.set(unit, worldX, baseY + 1, worldZ, Block.WATER);
+            this.set(unit, worldX, baseY + 2, worldZ, Block.WATER);
+        } else if(cell == Cell.LEAK) {
+            // Undichtigkeit: Bodenpfuetze, Wassersaeule in der Zellenmitte bis zur Leitung
+            this.set(unit, worldX, baseY, worldZ, Block.BEDROCK);
+            this.set(unit, worldX, baseY + 1, worldZ, Block.WATER);
+        } else if(cell == Cell.EXIT && transition == TransitionType.GLITCH_FLOOR) {
+            this.set(unit, worldX, baseY, worldZ, Block.BEDROCK);
+            this.set(unit, worldX, baseY + 1, worldZ, (worldX + worldZ) % 2 == 0 ? Block.BLACK_CONCRETE : Block.PURPLE_CONCRETE);
+        } else if(this.isEscapeGoal(layout, cx, transition)) {
+            // Sichtbare Ziel-Zone am Ende des Finale-Korridors: leuchtender Boden
+            this.set(unit, worldX, baseY, worldZ, Block.BEDROCK);
+            this.set(unit, worldX, baseY + 1, worldZ, Block.GLOWSTONE);
+        } else {
+            this.set(unit, worldX, baseY, worldZ, Block.BEDROCK);
+            Block floor = this.isDoorStain(layout, cx, cz, rnd)
+                ? this.stainBlock(rnd)
+                : palette.floorAt(worldX, worldZ, rnd);
+            this.set(unit, worldX, baseY + 1, worldZ, floor);
+        }
+
+        // Loot-Kisten (Barrels) in der Zellenmitte
+        boolean isChestColumn = !openShaft && this.isCenterColumn(worldX, worldZ) && this.isChestCell(levelIndex, cx, cz);
+        if(isChestColumn) {
+            this.set(unit, worldX, baseY + 2, worldZ, Block.BARREL);
+        }
+
+        // Deko: seltene Boden-Details (Spinnweben, Kuchen, Sculk ...) und Decken-Details (Ketten, Lampen)
+        if(cell == Cell.FLOOR && !isChestColumn) {
+            if(!palette.floorDeco().isEmpty() && rnd.nextDouble() < palette.floorDecoChance()) {
+                this.set(unit, worldX, baseY + 2, worldZ, palette.rndFloorDeco(rnd));
+            }
+            if(!palette.ceilingDeco().isEmpty() && rnd.nextDouble() < palette.ceilingDecoChance()) {
+                this.set(unit, worldX, ceilingY - 1, worldZ, palette.rndCeilingDeco(rnd));
+            }
+        }
+
+        // Raumvolumen
+        if(cell == Cell.WALL) {
+            // Sockelleiste unten, darueber die Wandvarianten — gibt jedem Level eine eigene Linie
+            boolean stained = this.isDoorStain(layout, cx, cz, rnd);
+            this.set(unit, worldX, baseY + 2, worldZ, stained ? this.stainBlock(rnd) : palette.wallBase());
+            Block wall = palette.rndWall(rnd);
+            for(int y = baseY + 3; y < ceilingY; y++) {
+                this.set(unit, worldX, y, worldZ, stained && rnd.nextInt(3) > 0 ? this.stainBlock(rnd) : wall);
+            }
+        } else if(cell == Cell.PILLAR) {
+            for(int y = baseY + 2; y < ceilingY; y++) {
+                this.set(unit, worldX, y, worldZ, palette.pillar());
+            }
+        } else if(cell == Cell.DOOR) {
+            // Tuerwand mit begehbarem Durchgang: entlang der Laufrichtung wird eine
+            // 1 Block breite Schneise durch die Zellentiefe gecarvt, mittig sitzt die Eisentuer
+            String facing = this.doorFacing(layout, cx, cz);
+            boolean passageAlongX = facing.equals("east") || facing.equals("west");
+            int localX = Math.floorMod(worldX, LevelLayout.CELL_SIZE);
+            int localZ = Math.floorMod(worldZ, LevelLayout.CELL_SIZE);
+            boolean onPassage = passageAlongX ? localZ == 1 : localX == 1;
+            boolean isCenter = localX == 1 && localZ == 1;
+
+            if(isCenter) {
+                this.set(unit, worldX, baseY + 2, worldZ, Block.IRON_DOOR.withProperties(Map.of("half", "lower", "facing", facing)));
+                this.set(unit, worldX, baseY + 3, worldZ, Block.IRON_DOOR.withProperties(Map.of("half", "upper", "facing", facing)));
+                for(int y = baseY + 4; y < ceilingY; y++) {
+                    this.set(unit, worldX, y, worldZ, palette.rndWall(rnd));
+                }
+            } else if(onPassage) {
+                // Durchgang: unten frei, Tuersturz darueber
+                for(int y = baseY + 4; y < ceilingY; y++) {
+                    this.set(unit, worldX, y, worldZ, palette.rndWall(rnd));
+                }
+            } else {
+                this.set(unit, worldX, baseY + 2, worldZ, palette.wallBase());
+                Block wall = palette.rndWall(rnd);
+                for(int y = baseY + 3; y < ceilingY; y++) {
+                    this.set(unit, worldX, y, worldZ, wall);
+                }
+            }
+        } else if(cell == Cell.THIN_WALL_X || cell == Cell.THIN_WALL_Z || cell == Cell.THIN_PILLAR) {
+            // Prototyp-Optik: 1 Block duenne Wandebene bzw. Eckpfosten in der Zellenmitte;
+            // der Pfosten schlaegt Wand-Arme zu angrenzenden Segmenten, damit an den
+            // Rasterpunkten keine Ein-Block-Luecken bleiben
+            int localX = Math.floorMod(worldX, LevelLayout.CELL_SIZE);
+            int localZ = Math.floorMod(worldZ, LevelLayout.CELL_SIZE);
+            boolean isCenter = localX == 1 && localZ == 1;
+            boolean solid = switch(cell) {
+                case THIN_WALL_X -> localZ == 1;
+                case THIN_WALL_Z -> localX == 1;
+                default -> isCenter
+                    || localZ == 1 && localX == 0 && this.joinsThinWallX(layout, cx - 1, cz)
+                    || localZ == 1 && localX == 2 && this.joinsThinWallX(layout, cx + 1, cz)
+                    || localX == 1 && localZ == 0 && this.joinsThinWallZ(layout, cx, cz - 1)
+                    || localX == 1 && localZ == 2 && this.joinsThinWallZ(layout, cx, cz + 1);
+            };
+            if(solid) {
+                Block block = cell == Cell.THIN_PILLAR && isCenter ? palette.pillar() : palette.rndWall(rnd);
+                for(int y = baseY + 2; y < ceilingY; y++) {
+                    this.set(unit, worldX, y, worldZ, block);
+                }
+            }
+        } else if(cell == Cell.PIPE || cell == Cell.LEAK) {
+            // Kupfer-Leitung unter der Decke; beim Leck laeuft eine Wassersaeule herab
+            Block duct = rnd.nextInt(3) == 0 ? Block.EXPOSED_COPPER : Block.WAXED_COPPER_BLOCK;
+            this.set(unit, worldX, ceilingY - 1, worldZ, duct);
+            if(cell == Cell.LEAK && this.isCenterColumn(worldX, worldZ)) {
+                for(int y = baseY + 2; y < ceilingY - 1; y++) {
+                    this.set(unit, worldX, y, worldZ, Block.WATER);
+                }
+            }
+        } else if(cell == Cell.EXIT && transition == TransitionType.LADDER) {
+            // Leiter an der westlichen Schachtwand
+            if(Math.floorMod(worldX, LevelLayout.CELL_SIZE) == 0) {
+                for(int y = baseY - LevelRuntime.LEVEL_HEIGHT + 2; y < ceilingY; y++) {
+                    this.set(unit, worldX, y, worldZ, Block.LADDER.withProperty("facing", "east"));
+                }
+            }
+        }
+
+        // Decke + Abschluss; Exit-Schaechte des Levels darueber durchbrechen beides —
+        // dort muss auch die per fillHeight gesetzte Zwischenschicht wieder aufgehen
+        if(this.shaftFromAbove(levelIndex, worldX, worldZ)) {
+            // Roehre freiraeumen — bei Leiter-Schaechten bleibt die Leiter an der Westwand erhalten
+            LevelRuntime above = this.levels.get(levelIndex - 1);
+            boolean ladderColumn = above.getDefinition().transitionType() == TransitionType.LADDER
+                && Math.floorMod(worldX, LevelLayout.CELL_SIZE) == 0;
+            Block fill = ladderColumn ? Block.LADDER.withProperty("facing", "east") : Block.AIR;
+            for(int y = ceilingY; y < baseY + LevelRuntime.LEVEL_HEIGHT; y++) {
+                this.set(unit, worldX, y, worldZ, fill);
+            }
+            return;
+        }
+
+        boolean isLight = this.isLightColumn(levelIndex, cx, cz, worldX, worldZ)
+            || this.isEscapeGoal(layout, cx, transition);
+        this.set(unit, worldX, ceilingY, worldZ, isLight ? palette.light() : palette.rndCeiling(rnd));
+        this.set(unit, worldX, ceilingY + 1, worldZ, Block.BEDROCK);
+    }
+
+    /** Grenzt an dieser Nachbarzelle ein Wandsegment entlang X (oder eine massive Wand) an? */
+    private boolean joinsThinWallX(LevelLayout layout, int cx, int cz) {
+        Cell neighbour = layout.cellAt(cx, cz);
+        return neighbour == Cell.THIN_WALL_X || neighbour == Cell.WALL;
+    }
+
+    /** Grenzt an dieser Nachbarzelle ein Wandsegment entlang Z (oder eine massive Wand) an? */
+    private boolean joinsThinWallZ(LevelLayout layout, int cx, int cz) {
+        Cell neighbour = layout.cellAt(cx, cz);
+        return neighbour == Cell.THIN_WALL_Z || neighbour == Cell.WALL;
+    }
+
+    /**
+     * "Ruined-Portal-Fleck" um die Schluesseltuer: Korruption breitet sich mit
+     * abnehmender Dichte ueber Boden und Waende aus und macht die Tuer weithin sichtbar.
+     */
+    private boolean isDoorStain(LevelLayout layout, int cx, int cz, Random rnd) {
+        int[] door = layout.getDoorCell();
+        if(door == null) return false;
+        int distance = Math.max(Math.abs(cx - door[0]), Math.abs(cz - door[1]));
+        if(distance > 3) return false;
+        double chance = switch(distance) {
+            case 0, 1 -> 0.85;
+            case 2 -> 0.45;
+            default -> 0.15;
+        };
+        return rnd.nextDouble() < chance;
+    }
+
+    private Block stainBlock(Random rnd) {
+        int roll = rnd.nextInt(10);
+        if(roll == 0) return Block.CRYING_OBSIDIAN;
+        if(roll == 1) return Block.GILDED_BLACKSTONE;
+        if(roll <= 4) return Block.OBSIDIAN;
+        return Block.BLACKSTONE;
+    }
+
+    /** Ziel-Band des Finales: alle begehbaren Zellen ab der Exit-Zelle leuchten */
+    private boolean isEscapeGoal(LevelLayout layout, int cx, TransitionType transition) {
+        if(transition != TransitionType.ESCAPE) return false;
+        int[] exit = layout.getExitCell();
+        return exit != null && cx >= exit[0];
+    }
+
+    /**
+     * Blickrichtung der Tuer: vom Exit weg (Exit-Kammer) bzw. zur begehbaren
+     * Seite hin (Seitentueren im Finale-Korridor).
+     */
+    private String doorFacing(LevelLayout layout, int cx, int cz) {
+        if(layout.cellAt(cx - 1, cz) == Cell.EXIT) return "east";
+        if(layout.cellAt(cx + 1, cz) == Cell.EXIT) return "west";
+        if(layout.cellAt(cx, cz - 1) == Cell.EXIT) return "south";
+        if(layout.cellAt(cx, cz + 1) == Cell.EXIT) return "north";
+        if(layout.isWalkable(cx, cz - 1) || layout.isWalkable(cx, cz + 1)) return "north";
+        return "east";
+    }
+
+    /** Lichtblock in der Deckenmitte jeder Lichtzelle */
+    private boolean isLightColumn(int levelIndex, int cx, int cz, int worldX, int worldZ) {
+        if(!this.isCenterColumn(worldX, worldZ)) return false;
+        return this.lightKeys.get(levelIndex).contains(cellKey(cx, cz));
+    }
+
+    private boolean isCenterColumn(int worldX, int worldZ) {
+        int centerOffset = LevelLayout.CELL_SIZE / 2;
+        return Math.floorMod(worldX - centerOffset, LevelLayout.CELL_SIZE) == 0
+            && Math.floorMod(worldZ - centerOffset, LevelLayout.CELL_SIZE) == 0;
+    }
+
+    private boolean isChestCell(int levelIndex, int cx, int cz) {
+        return this.chestKeys.get(levelIndex).contains(cellKey(cx, cz));
+    }
+
+    /** Faellt an dieser Saeule ein HOLE/LADDER-Schacht aus dem Level darueber herein? */
+    private boolean shaftFromAbove(int levelIndex, int worldX, int worldZ) {
+        if(levelIndex == 0) return false;
+        LevelRuntime above = this.levels.get(levelIndex - 1);
+        TransitionType transition = above.getDefinition().transitionType();
+        if(transition != TransitionType.HOLE && transition != TransitionType.LADDER) return false;
+
+        LevelLayout aboveLayout = above.getLayout();
+        int[] exit = aboveLayout.getExitCell();
+        if(exit == null) return false;
+        return aboveLayout.cellX(worldX) == exit[0] && aboveLayout.cellZ(worldZ) == exit[1];
+    }
+
+    private void set(GenerationUnit unit, int x, int y, int z, Block block) {
+        unit.modifier().setBlock(x, y, z, block);
+    }
+}
@@ -0,0 +1,300 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.generator;
+
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelLayout;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelLayout.Cell;
+
+import java.util.ArrayDeque;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Deque;
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Layout-Bausteine: Labyrinth (Recursive Backtracker), Braiding (Sackgassen oeffnen),
+ * Raum-Carving und BFS-Distanzkarten. Arbeitet rein auf dem Zellenraster — servertauglich
+ * und unit-testbar ohne Minestom.
+ */
+public final class MazeAlgorithms {
+    private static final int[][] DIRECTIONS = {{1, 0}, {-1, 0}, {0, 1}, {0, -1}};
+
+    private MazeAlgorithms() {
+    }
+
+    /**
+     * Carvt ein perfektes Labyrinth in das (komplett mit WALL gefuellte) Layout.
+     * Maze-Knoten liegen auf ungeraden Zellkoordinaten; der Rand (Zelle 0 und cells-1) bleibt Wand.
+     */
+    public static void backtracker(LevelLayout layout, Random rnd) {
+        int cells = layout.getCells();
+        boolean[][] visited = new boolean[cells][cells];
+        Deque<int[]> stack = new ArrayDeque<>();
+
+        int[] start = {1, 1};
+        visited[start[0]][start[1]] = true;
+        layout.setCell(start[0], start[1], Cell.FLOOR);
+        stack.push(start);
+
+        while(!stack.isEmpty()) {
+            int[] current = stack.peek();
+            List<int[]> candidates = new ArrayList<>();
+            for(int[] dir : DIRECTIONS) {
+                int nx = current[0] + dir[0] * 2;
+                int nz = current[1] + dir[1] * 2;
+                if(nx <= 0 || nz <= 0 || nx >= cells - 1 || nz >= cells - 1) continue;
+                if(!visited[nx][nz]) candidates.add(new int[]{nx, nz, dir[0], dir[1]});
+            }
+
+            if(candidates.isEmpty()) {
+                stack.pop();
+                continue;
+            }
+
+            int[] next = candidates.get(rnd.nextInt(candidates.size()));
+            visited[next[0]][next[1]] = true;
+            layout.setCell(current[0] + next[2], current[1] + next[3], Cell.FLOOR);
+            layout.setCell(next[0], next[1], Cell.FLOOR);
+            stack.push(new int[]{next[0], next[1]});
+        }
+    }
+
+    /**
+     * Oeffnet den angegebenen Anteil aller Sackgassen, indem eine zufaellige
+     * angrenzende Wand zu FLOOR wird — macht das Labyrinth schleifenreich.
+     */
+    public static void braid(LevelLayout layout, Random rnd, double ratio) {
+        int cells = layout.getCells();
+        List<int[]> deadEnds = new ArrayList<>();
+        for(int x = 1; x < cells - 1; x++) {
+            for(int z = 1; z < cells - 1; z++) {
+                if(!layout.isWalkable(x, z)) continue;
+                int open = 0;
+                for(int[] dir : DIRECTIONS) {
+                    if(layout.isWalkable(x + dir[0], z + dir[1])) open++;
+                }
+                if(open == 1) deadEnds.add(new int[]{x, z});
+            }
+        }
+
+        Collections.shuffle(deadEnds, rnd);
+        int toOpen = (int) Math.round(deadEnds.size() * ratio);
+        for(int i = 0; i < toOpen; i++) {
+            int[] deadEnd = deadEnds.get(i);
+            List<int[]> walls = new ArrayList<>();
+            for(int[] dir : DIRECTIONS) {
+                int wx = deadEnd[0] + dir[0];
+                int wz = deadEnd[1] + dir[1];
+                int behindX = deadEnd[0] + dir[0] * 2;
+                int behindZ = deadEnd[1] + dir[1] * 2;
+                if(wx <= 0 || wz <= 0 || wx >= cells - 1 || wz >= cells - 1) continue;
+                if(layout.cellAt(wx, wz) == Cell.WALL && layout.isWalkable(behindX, behindZ)) {
+                    walls.add(new int[]{wx, wz});
+                }
+            }
+            if(!walls.isEmpty()) {
+                int[] wall = walls.get(rnd.nextInt(walls.size()));
+                layout.setCell(wall[0], wall[1], Cell.FLOOR);
+            }
+        }
+    }
+
+    /**
+     * Raeumt zufaellige Rechtecke frei (Raeume). Entfernt nur Waende, die Konnektivitaet
+     * des Labyrinths bleibt daher erhalten.
+     */
+    public static void carveRooms(LevelLayout layout, Random rnd, int roomCount, int minSize, int maxSize) {
+        int cells = layout.getCells();
+        for(int i = 0; i < roomCount; i++) {
+            int width = minSize + rnd.nextInt(maxSize - minSize + 1);
+            int depth = minSize + rnd.nextInt(maxSize - minSize + 1);
+            int startX = 1 + rnd.nextInt(Math.max(1, cells - width - 2));
+            int startZ = 1 + rnd.nextInt(Math.max(1, cells - depth - 2));
+            for(int x = startX; x < startX + width; x++) {
+                for(int z = startZ; z < startZ + depth; z++) {
+                    if(x >= cells - 1 || z >= cells - 1) continue;
+                    if(layout.cellAt(x, z) == Cell.WALL) layout.setCell(x, z, Cell.FLOOR);
+                }
+            }
+        }
+    }
+
+    /**
+     * BFS-Distanzen (in Zellen) von einer Startzelle aus; -1 = unerreichbar.
+     */
+    public static int[][] bfsDistances(LevelLayout layout, int[] start) {
+        int cells = layout.getCells();
+        int[][] distances = new int[cells][cells];
+        for(int[] row : distances) Arrays.fill(row, -1);
+
+        Deque<int[]> queue = new ArrayDeque<>();
+        distances[start[0]][start[1]] = 0;
+        queue.add(start);
+        while(!queue.isEmpty()) {
+            int[] current = queue.poll();
+            for(int[] dir : DIRECTIONS) {
+                int nx = current[0] + dir[0];
+                int nz = current[1] + dir[1];
+                if(!layout.inBounds(nx, nz) || !layout.isWalkable(nx, nz)) continue;
+                if(distances[nx][nz] != -1) continue;
+                distances[nx][nz] = distances[current[0]][current[1]] + 1;
+                queue.add(new int[]{nx, nz});
+            }
+        }
+        return distances;
+    }
+
+    /**
+     * Alle begehbaren Zellen, deren BFS-Distanz im Perzentil-Fenster [minPercentile, maxPercentile]
+     * der maximalen Distanz liegt.
+     */
+    public static List<int[]> cellsInDistancePercentile(LevelLayout layout, int[][] distances, double minPercentile, double maxPercentile) {
+        int max = 0;
+        for(int[] row : distances) {
+            for(int distance : row) max = Math.max(max, distance);
+        }
+
+        List<int[]> result = new ArrayList<>();
+        for(int x = 0; x < layout.getCells(); x++) {
+            for(int z = 0; z < layout.getCells(); z++) {
+                int distance = distances[x][z];
+                if(distance < 0) continue;
+                double percentile = max == 0 ? 0 : (double) distance / max;
+                if(percentile >= minPercentile && percentile <= maxPercentile) result.add(new int[]{x, z});
+            }
+        }
+        return result;
+    }
+
+    /**
+     * Offene Halle: alle Innenzellen werden begehbar, nur der Rand bleibt Wand.
+     * Grundlage fuer Level mit "grosser Raum statt Gaenge"-Charakter (Parkhaus, Poolrooms).
+     */
+    public static void openField(LevelLayout layout) {
+        int cells = layout.getCells();
+        for(int x = 1; x < cells - 1; x++) {
+            for(int z = 1; z < cells - 1; z++) {
+                layout.setCell(x, z, Cell.FLOOR);
+            }
+        }
+    }
+
+    /**
+     * Verstreut gerade Wandzuege (mit gelegentlichen Luecken und L-Knicken) in einer
+     * offenen Flaeche — ergibt Sichtblocker und Raumgefuehl statt Korridore.
+     */
+    public static void scatterWallRuns(LevelLayout layout, Random rnd, int runCount, int minLength, int maxLength) {
+        int cells = layout.getCells();
+        for(int i = 0; i < runCount; i++) {
+            int x = 2 + rnd.nextInt(cells - 4);
+            int z = 2 + rnd.nextInt(cells - 4);
+            int[] dir = DIRECTIONS[rnd.nextInt(DIRECTIONS.length)];
+            int length = minLength + rnd.nextInt(Math.max(1, maxLength - minLength + 1));
+
+            for(int step = 0; step < length; step++) {
+                if(x <= 1 || z <= 1 || x >= cells - 2 || z >= cells - 2) break;
+                // gelegentliche Luecke, damit keine Sackgassen-Kaefige entstehen
+                if(rnd.nextInt(8) != 0) layout.setCell(x, z, Cell.WALL);
+                // seltener L-Knick
+                if(rnd.nextInt(6) == 0) dir = DIRECTIONS[rnd.nextInt(DIRECTIONS.length)];
+                x += dir[0];
+                z += dir[1];
+            }
+        }
+    }
+
+    /**
+     * Verbindet eine (moeglicherweise eingemauerte) Zelle mit der Hauptkomponente:
+     * BFS durch Waende bis zur ersten Zelle mit rootDistances >= 0, Pfad wird gecarvt.
+     */
+    public static void connectToComponent(LevelLayout layout, int[][] rootDistances, int[] start) {
+        int cells = layout.getCells();
+        Deque<int[]> queue = new ArrayDeque<>();
+        java.util.Map<Long, int[]> cameFrom = new java.util.HashMap<>();
+        queue.add(start);
+        cameFrom.put(key(start[0], start[1]), null);
+
+        while(!queue.isEmpty()) {
+            int[] current = queue.poll();
+            for(int[] dir : DIRECTIONS) {
+                int nx = current[0] + dir[0];
+                int nz = current[1] + dir[1];
+                if(nx <= 0 || nz <= 0 || nx >= cells - 1 || nz >= cells - 1) continue;
+                // Exit-Kammern sind tabu: weder durch die Tuer noch durch die Kammermauern carven
+                if(isChamberProtected(layout, nx, nz)) continue;
+                long cellKey = key(nx, nz);
+                if(cameFrom.containsKey(cellKey)) continue;
+                cameFrom.put(cellKey, current);
+
+                if(rootDistances[nx][nz] >= 0) {
+                    // Pfad zurueckverfolgen und freiraeumen
+                    int[] step = current;
+                    while(step != null) {
+                        if(!layout.isWalkable(step[0], step[1])) layout.setCell(step[0], step[1], Cell.FLOOR);
+                        step = cameFrom.get(key(step[0], step[1]));
+                    }
+                    return;
+                }
+                queue.add(new int[]{nx, nz});
+            }
+        }
+    }
+
+    /**
+     * Stellt sicher, dass alle wichtigen Zellen von root aus erreichbar sind;
+     * abgetrennte Zellen werden per Wanddurchbruch angebunden.
+     */
+    public static void ensureConnected(LevelLayout layout, int[] root, List<int[]> important) {
+        int[][] distances = bfsDistances(layout, root);
+        for(int[] cell : important) {
+            if(!layout.inBounds(cell[0], cell[1])) continue;
+            if(distances[cell[0]][cell[1]] >= 0) continue;
+            connectToComponent(layout, distances, cell);
+            distances = bfsDistances(layout, root);
+        }
+    }
+
+    private static long key(int x, int z) {
+        return ((long) x << 32) | (z & 0xFFFFFFFFL);
+    }
+
+    /** Zelle gehoert zur verschlossenen Exit-Kammer (Tuer, Exit oder Kammermauer-Ring). */
+    public static boolean isChamberProtected(LevelLayout layout, int cx, int cz) {
+        LevelLayout.Cell cell = layout.cellAt(cx, cz);
+        if(cell == LevelLayout.Cell.DOOR || cell == LevelLayout.Cell.EXIT) return true;
+        for(int dx = -1; dx <= 1; dx++) {
+            for(int dz = -1; dz <= 1; dz++) {
+                if(layout.cellAt(cx + dx, cz + dz) == LevelLayout.Cell.EXIT) return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Rejection-Sampling: bis zu count Zellen aus candidates mit paarweisem Mindestabstand.
+     * Faellt der Abstand nicht mehr erfuellbar aus, wird er schrittweise verringert.
+     */
+    public static List<int[]> sampleSpread(List<int[]> candidates, Random rnd, int count, double minDistance) {
+        List<int[]> pool = new ArrayList<>(candidates);
+        Collections.shuffle(pool, rnd);
+        List<int[]> chosen = new ArrayList<>();
+        double distance = minDistance;
+        while(chosen.size() < count && distance >= 0) {
+            for(int[] candidate : pool) {
+                if(chosen.size() >= count) break;
+                boolean fits = true;
+                for(int[] existing : chosen) {
+                    double dx = candidate[0] - existing[0];
+                    double dz = candidate[1] - existing[1];
+                    if(Math.sqrt(dx * dx + dz * dz) < distance) {
+                        fits = false;
+                        break;
+                    }
+                }
+                if(fits) chosen.add(candidate);
+            }
+            distance -= 1;
+        }
+        return chosen;
+    }
+}
@@ -0,0 +1,106 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.item;
+
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.format.TextDecoration;
+import net.minestom.server.component.DataComponents;
+import net.minestom.server.coordinate.Point;
+import net.minestom.server.item.ItemStack;
+import net.minestom.server.item.Material;
+import net.minestom.server.entity.Player;
+import net.minestom.server.item.component.LodestoneTracker;
+import net.minestom.server.tag.Tag;
+
+import java.util.function.Predicate;
+
+/**
+ * ItemStack-Fabriken und Tag-basierte Erkennung aller Backrooms-Items.
+ */
+public final class BackroomsItems {
+    public static final Tag<String> ITEM_TAG = Tag.String("backroomsItem");
+    public static final Tag<Integer> KEY_LEVEL_TAG = Tag.Integer("backroomsKeyLevel");
+
+    public static final String ALMOND_WATER = "almond_water";
+    public static final String ENERGY_BAR = "energy_bar";
+    public static final String LEVEL_KEY = "level_key";
+    public static final String DOOR_COMPASS = "door_compass";
+
+    private BackroomsItems() {
+    }
+
+    /** Stellt Sanity wieder her und heilt leicht — das Kern-Loot der Backrooms. */
+    public static ItemStack almondWater() {
+        return ItemStack.builder(Material.POTION)
+            .customName(Component.text("Almond Water", NamedTextColor.AQUA).decoration(TextDecoration.ITALIC, false))
+            .set(ITEM_TAG, ALMOND_WATER)
+            .build();
+    }
+
+    /** Kurzer Geschwindigkeits-Schub (auch als Strecken-Pickup im Finale). */
+    public static ItemStack energyBar() {
+        return ItemStack.builder(Material.GOLDEN_CARROT)
+            .customName(Component.text("Energy Bar", NamedTextColor.GOLD).decoration(TextDecoration.ITALIC, false))
+            .set(ITEM_TAG, ENERGY_BAR)
+            .build();
+    }
+
+    /** Schluessel fuer die verschlossene Exit-Kammer des angegebenen Levels. */
+    public static ItemStack levelKey(int levelIndex) {
+        return ItemStack.builder(Material.TRIPWIRE_HOOK)
+            .customName(Component.text("Level Key", NamedTextColor.YELLOW).decoration(TextDecoration.ITALIC, false))
+            .set(ITEM_TAG, LEVEL_KEY)
+            .set(KEY_LEVEL_TAG, levelIndex)
+            .build();
+    }
+
+    /** Kompass, der zur verschlossenen Tuer des Levels zeigt. */
+    public static ItemStack doorCompass(int levelIndex, String dimension, Point doorPosition) {
+        return ItemStack.builder(Material.COMPASS)
+            .customName(Component.text("Door Compass", NamedTextColor.YELLOW).decoration(TextDecoration.ITALIC, false))
+            .set(DataComponents.LODESTONE_TRACKER, new LodestoneTracker(dimension, doorPosition, false))
+            .set(ITEM_TAG, DOOR_COMPASS)
+            .set(KEY_LEVEL_TAG, levelIndex)
+            .build();
+    }
+
+    /** Entfernt alle Items, auf die das Praedikat passt, aus dem Spieler-Inventar. */
+    public static void removeMatching(Player player, Predicate<ItemStack> filter) {
+        var inventory = player.getInventory();
+        for(int slot = 0; slot < inventory.getSize(); slot++) {
+            if(filter.test(inventory.getItemStack(slot))) inventory.setItemStack(slot, ItemStack.AIR);
+        }
+    }
+
+    public static boolean hasMatching(Player player, Predicate<ItemStack> filter) {
+        var inventory = player.getInventory();
+        for(int slot = 0; slot < inventory.getSize(); slot++) {
+            if(filter.test(inventory.getItemStack(slot))) return true;
+        }
+        return false;
+    }
+
+    public static int count(Player player, String itemId) {
+        int count = 0;
+        var inventory = player.getInventory();
+        for(int slot = 0; slot < inventory.getSize(); slot++) {
+            ItemStack item = inventory.getItemStack(slot);
+            if(is(item, itemId)) count += item.amount();
+        }
+        return count;
+    }
+
+    public static boolean is(ItemStack item, String id) {
+        return id.equals(item.getTag(ITEM_TAG));
+    }
+
+    /** Key oder Tuerkompass fuer das angegebene Level (beides verfaellt beim Tueroeffnen). */
+    public static boolean isDoorItemFor(ItemStack item, int levelIndex) {
+        String id = item.getTag(ITEM_TAG);
+        if(!LEVEL_KEY.equals(id) && !DOOR_COMPASS.equals(id)) return false;
+        return Integer.valueOf(levelIndex).equals(item.getTag(KEY_LEVEL_TAG));
+    }
+
+    public static boolean isKeyFor(ItemStack item, int levelIndex) {
+        return is(item, LEVEL_KEY) && Integer.valueOf(levelIndex).equals(item.getTag(KEY_LEVEL_TAG));
+    }
+}
@@ -0,0 +1,229 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level;
+
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.BackroomsGame;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.ambience.AmbienceProfile;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.generator.MazeAlgorithms;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.BackroomsMonster;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Bauplan eines Leveltyps: Layout-Erzeugung, Blockpalette, Uebergang, Ambience und
+ * Monster-Besatz. Pro Spiel wird je Level eine frische Instanz erzeugt — Level-Events
+ * (Blackouts, Lichtausfaelle, Duelle) duerfen daher eigenen Zustand halten.
+ */
+public abstract class LevelDefinition {
+
+    public abstract LevelType type();
+
+    public abstract LevelLayout buildLayout(Random rnd, int cells, int playerCount);
+
+    public abstract LevelPalette palette();
+
+    public abstract TransitionType transitionType();
+
+    public abstract AmbienceProfile ambience();
+
+    /** Initiale Monster-Population; density 1-3 aus der Spielkonfiguration. */
+    public void populateMonsters(BackroomsGame game, LevelRuntime runtime, int density) {
+    }
+
+    /** Wird ~1x pro Sekunde aufgerufen, solange Spieler im Level sind (Events wie Blackouts). */
+    public void onLevelTick(BackroomsGame game, LevelRuntime runtime) {
+    }
+
+    /**
+     * Dynamischer Nachschub des Monster-Directors: liefert ein Monster fuer die gegebene
+     * Zelle in Spielernaehe — oder null, wenn dort (oder in diesem Level) nichts spawnen soll.
+     * Das Monster wird vom Director gespawnt und registriert.
+     */
+    public BackroomsMonster createRoamingMonster(LevelRuntime runtime, int[] cell) {
+        return null;
+    }
+
+    /** Exit-Kammer verschlossen, Schluessel in einer Kiste versteckt? */
+    public boolean usesKeyDoor() {
+        return false;
+    }
+
+    /**
+     * true: jeder Key oeffnet nur die angeklickte Tuer und wird verbraucht (Finale-Seitentueren);
+     * false: ein Key oeffnet die Exit-Kammer fuer alle, danach zerfallen alle Keys.
+     */
+    public boolean opensSingleDoors() {
+        return false;
+    }
+
+    /** Permanente Dunkelheit (Lights Out): DARKNESS-Effekt unabhaengig von darkZones. */
+    public boolean permanentDarkness() {
+        return false;
+    }
+
+    /**
+     * Standard-Bauweise fuer Maze-Level: Backtracker, Braiding, Raeume, dann garantierte
+     * Platzierung von Spawns (verteilt), Exit (fern der Spawns, optional mit verschlossener
+     * Kammer + Schluessel), Kisten und Lichtzellen.
+     */
+    protected LevelLayout standardLayout(
+        Random rnd,
+        int cells,
+        int playerCount,
+        double braidRatio,
+        int roomCount,
+        int maxRoomSize,
+        double chestsPerHundredCells
+    ) {
+        LevelLayout layout = new LevelLayout(cells);
+        MazeAlgorithms.backtracker(layout, rnd);
+        MazeAlgorithms.braid(layout, rnd, braidRatio);
+        MazeAlgorithms.carveRooms(layout, rnd, roomCount, 3, maxRoomSize);
+        return this.finalizeLayout(layout, rnd, playerCount, chestsPerHundredCells);
+    }
+
+    /**
+     * Alternative Bauweise: offene Halle mit verstreuten Wandzuegen statt Gaenge-Labyrinth.
+     * Fuer Level mit "grosser offener Raum"-Charakter (Parkhaus, Poolrooms).
+     */
+    protected LevelLayout openLayout(
+        Random rnd,
+        int cells,
+        int playerCount,
+        int wallRunCount,
+        double chestsPerHundredCells
+    ) {
+        LevelLayout layout = new LevelLayout(cells);
+        MazeAlgorithms.openField(layout);
+        MazeAlgorithms.scatterWallRuns(layout, rnd, wallRunCount, 3, Math.max(5, cells / 4));
+        return this.finalizeLayout(layout, rnd, playerCount, chestsPerHundredCells);
+    }
+
+    /** Gemeinsame Platzierung: Spawns, Exit (+Kammer), Kisten, Konnektivitaet, Licht. */
+    protected LevelLayout finalizeLayout(LevelLayout layout, Random rnd, int playerCount, double chestsPerHundredCells) {
+        int cells = layout.getCells();
+
+        // Spawns: ueber die ganze Flaeche verteilt, damit auch viele Spieler nicht clustern
+        int[][] fromCorner = MazeAlgorithms.bfsDistances(layout, new int[]{1, 1});
+        List<int[]> allFloor = MazeAlgorithms.cellsInDistancePercentile(layout, fromCorner, 0, 1);
+        int spawnCount = Math.max(8, playerCount + 2);
+        layout.getSpawnCells().addAll(MazeAlgorithms.sampleSpread(allFloor, rnd, spawnCount, cells / 4.0));
+
+        // Exit: weit weg vom Spawn-Schwerpunkt
+        int[] centroid = this.spawnCentroid(layout);
+        int[][] fromCentroid = MazeAlgorithms.bfsDistances(layout, this.nearestWalkable(layout, centroid));
+        List<int[]> farCells = MazeAlgorithms.cellsInDistancePercentile(layout, fromCentroid, 0.8, 1.0);
+        int[] exit = farCells.isEmpty() ? allFloor.getLast() : farCells.get(rnd.nextInt(farCells.size()));
+        layout.setExitCell(exit);
+        layout.setCell(exit[0], exit[1], LevelLayout.Cell.EXIT);
+
+        int[] doorOutside = this.usesKeyDoor() ? this.buildExitChamber(layout, rnd, fromCentroid, allFloor) : null;
+
+        // Kisten verteilt ueber die Flaeche
+        int chestCount = (int) Math.max(3, cells * cells * chestsPerHundredCells / 100.0);
+        List<int[]> chestSpots = MazeAlgorithms.sampleSpread(allFloor, rnd, chestCount, cells / 6.0);
+        chestSpots.removeIf(cell -> layout.cellAt(cell[0], cell[1]) != LevelLayout.Cell.FLOOR);
+        // Kisten nie auf Spawn-Zellen — sonst steht der Barrel im Spieler
+        chestSpots.removeIf(cell -> layout.getSpawnCells().stream()
+            .anyMatch(spawn -> spawn[0] == cell[0] && spawn[1] == cell[1]));
+        layout.getChestCells().addAll(chestSpots);
+
+        // Die Kammer-Mauern (oder Pech beim Carven) koennen Bereiche abtrennen —
+        // alle spielrelevanten Zellen garantiert mit der Hauptkomponente verbinden
+        List<int[]> important = new ArrayList<>(layout.getSpawnCells());
+        important.addAll(layout.getChestCells());
+        if(layout.getKeyChestCell() != null) important.add(layout.getKeyChestCell());
+        if(doorOutside != null) important.add(doorOutside);
+        if(!this.usesKeyDoor()) important.add(layout.getExitCell());
+        MazeAlgorithms.ensureConnected(layout, layout.getSpawnCells().getFirst(), important);
+
+        // Lichtzellen im Raster, ausserhalb von Dunkelzonen (darkZones setzen Level-Impls vorher/nachher)
+        for(int x = 1; x < cells - 1; x += 2) {
+            for(int z = 1; z < cells - 1; z += 2) {
+                if(layout.isWalkable(x, z) && !layout.isDarkCell(x, z)) layout.getLightCells().add(new int[]{x, z});
+            }
+        }
+
+        return layout;
+    }
+
+    /**
+     * Ummauert die Exit-Zelle (3x3) und setzt genau einen DOOR-Zugang mit garantiert
+     * begehbarer Zelle davor; der Schluessel landet als Kiste im freien Bereich.
+     *
+     * @return die Zelle direkt vor der Tuer (fuer die Konnektivitaetspruefung)
+     */
+    private int[] buildExitChamber(LevelLayout layout, Random rnd, int[][] distances, List<int[]> allFloor) {
+        int[] exit = layout.getExitCell();
+
+        // Tuer-Richtung waehlen, bevor der Ring zugemauert wird: bevorzugt eine Richtung,
+        // deren Vorfeld-Zelle (exit + 2*dir) bereits begehbar ist
+        int[][] directions = {{1, 0}, {-1, 0}, {0, 1}, {0, -1}};
+        List<int[]> valid = new ArrayList<>();
+        List<int[]> preferred = new ArrayList<>();
+        for(int[] dir : directions) {
+            int outsideX = exit[0] + dir[0] * 2;
+            int outsideZ = exit[1] + dir[1] * 2;
+            if(outsideX <= 0 || outsideZ <= 0 || outsideX >= layout.getCells() - 1 || outsideZ >= layout.getCells() - 1) continue;
+            valid.add(dir);
+            if(layout.isWalkable(outsideX, outsideZ)) preferred.add(dir);
+        }
+        List<int[]> pool = preferred.isEmpty() ? valid : preferred;
+        int[] doorDir = pool.get(rnd.nextInt(pool.size()));
+
+        // Ring zumauern
+        for(int dx = -1; dx <= 1; dx++) {
+            for(int dz = -1; dz <= 1; dz++) {
+                if(dx == 0 && dz == 0) continue;
+                int x = exit[0] + dx;
+                int z = exit[1] + dz;
+                if(!layout.inBounds(x, z)) continue;
+                layout.setCell(x, z, LevelLayout.Cell.WALL);
+            }
+        }
+
+        int[] door = {exit[0] + doorDir[0], exit[1] + doorDir[1]};
+        int[] outside = {exit[0] + doorDir[0] * 2, exit[1] + doorDir[1] * 2};
+        layout.setCell(door[0], door[1], LevelLayout.Cell.DOOR);
+        layout.setDoorCell(door);
+        if(!layout.isWalkable(outside[0], outside[1])) layout.setCell(outside[0], outside[1], LevelLayout.Cell.FLOOR);
+
+        List<int[]> keySpots = MazeAlgorithms.cellsInDistancePercentile(layout, distances, 0.3, 0.7);
+        keySpots.removeIf(cell -> layout.cellAt(cell[0], cell[1]) != LevelLayout.Cell.FLOOR);
+        // Fallback nur auf Zellen, die nach dem Kammerbau noch begehbar sind
+        List<int[]> keyFallback = allFloor.stream()
+            .filter(cell -> layout.cellAt(cell[0], cell[1]) == LevelLayout.Cell.FLOOR)
+            .toList();
+        int[] keyCell = keySpots.isEmpty()
+            ? keyFallback.get(rnd.nextInt(keyFallback.size()))
+            : keySpots.get(rnd.nextInt(keySpots.size()));
+        layout.setKeyChestCell(keyCell);
+
+        return outside;
+    }
+
+    private int[] spawnCentroid(LevelLayout layout) {
+        int sumX = 0;
+        int sumZ = 0;
+        for(int[] spawn : layout.getSpawnCells()) {
+            sumX += spawn[0];
+            sumZ += spawn[1];
+        }
+        int count = Math.max(1, layout.getSpawnCells().size());
+        return new int[]{sumX / count, sumZ / count};
+    }
+
+    private int[] nearestWalkable(LevelLayout layout, int[] cell) {
+        if(layout.isWalkable(cell[0], cell[1])) return cell;
+        for(int radius = 1; radius < layout.getCells(); radius++) {
+            for(int dx = -radius; dx <= radius; dx++) {
+                for(int dz = -radius; dz <= radius; dz++) {
+                    int x = cell[0] + dx;
+                    int z = cell[1] + dz;
+                    if(layout.inBounds(x, z) && layout.isWalkable(x, z)) return new int[]{x, z};
+                }
+            }
+        }
+        return new int[]{1, 1};
+    }
+}
@@ -0,0 +1,187 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level;
+
+import net.minestom.server.coordinate.Pos;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Vorab berechnetes Layout eines Levels auf einem quadratischen Zellenraster.
+ * Eine Zelle ist {@link #CELL_SIZE} Bloecke breit; das Raster ist um x=0/z=0 zentriert.
+ * Der Chunk-Generator liest ausschliesslich aus dieser Struktur.
+ */
+public class LevelLayout {
+    public static final int CELL_SIZE = 3;
+
+    public enum Cell {
+        WALL,
+        FLOOR,
+        WATER,
+        /** doppelt tiefes Wasserbecken */
+        DEEP_WATER,
+        PILLAR,
+        /** Deckenleitung (Kupfer-Kanal unter der Decke, darunter begehbar) */
+        PIPE,
+        /** duenne Wand (1 Block) durch die Zellenmitte entlang der X-Achse — Prototyp-Optik von Level 0 */
+        THIN_WALL_X,
+        /** duenne Wand (1 Block) durch die Zellenmitte entlang der Z-Achse */
+        THIN_WALL_Z,
+        /** einzelner Eckpfosten (1x1) in der Zellenmitte */
+        THIN_PILLAR,
+        /** undichte Leitung: Wassersaeule laeuft von der Decke bis in eine Bodenpfuetze */
+        LEAK,
+        /** Exit-Zelle: Wirkung haengt vom TransitionType des Levels ab (Loch, Leiter, Glitch, NoClip-Wand) */
+        EXIT,
+        /** verschlossener Zugang zur Exit-Kammer, wird vom DoorManager geoeffnet */
+        DOOR
+    }
+
+    private final int cells;
+    private final Cell[][] grid;
+    private final boolean[][] darkZone;
+
+    private final List<int[]> spawnCells = new ArrayList<>();
+    private final List<int[]> chestCells = new ArrayList<>();
+    private final List<int[]> lightCells = new ArrayList<>();
+    /** frei nutzbare Level-Marker (z. B. Dampf-Ventile in den Poolrooms) */
+    private final List<int[]> markerCells = new ArrayList<>();
+    private int[] exitCell;
+    private int[] keyChestCell;
+    private int[] doorCell;
+
+    // Generierungs-Bounds: ausserhalb rendert der Generator nichts (Finale nutzt
+    // nur einen schmalen Korridor seines quadratischen Rasters)
+    private int minGenCx = 0;
+    private int maxGenCx = Integer.MAX_VALUE;
+    private int minGenCz = 0;
+    private int maxGenCz = Integer.MAX_VALUE;
+
+    public LevelLayout(int cells) {
+        this.cells = cells;
+        this.grid = new Cell[cells][cells];
+        this.darkZone = new boolean[cells][cells];
+        for(int x = 0; x < cells; x++) {
+            for(int z = 0; z < cells; z++) {
+                this.grid[x][z] = Cell.WALL;
+            }
+        }
+    }
+
+    public int getCells() {
+        return this.cells;
+    }
+
+    public boolean inBounds(int cx, int cz) {
+        return cx >= 0 && cx < this.cells && cz >= 0 && cz < this.cells;
+    }
+
+    public Cell cellAt(int cx, int cz) {
+        if(!this.inBounds(cx, cz)) return Cell.WALL;
+        return this.grid[cx][cz];
+    }
+
+    public void setCell(int cx, int cz, Cell cell) {
+        this.grid[cx][cz] = cell;
+    }
+
+    public boolean isWalkable(int cx, int cz) {
+        return switch(this.cellAt(cx, cz)) {
+            case FLOOR, WATER, DEEP_WATER, PIPE, LEAK, EXIT -> true;
+            default -> false;
+        };
+    }
+
+
+    public boolean isDarkCell(int cx, int cz) {
+        return this.inBounds(cx, cz) && this.darkZone[cx][cz];
+    }
+
+    public void setDark(int cx, int cz, boolean dark) {
+        this.darkZone[cx][cz] = dark;
+    }
+
+    /**
+     * Weltkoordinate (Block-Ecke) der Zelle; das Raster ist um den Ursprung zentriert.
+     */
+    public int worldX(int cx) {
+        return (cx - this.cells / 2) * CELL_SIZE;
+    }
+
+    public int worldZ(int cz) {
+        return this.worldX(cz);
+    }
+
+    /** Zellkoordinate zu einer Block-Weltkoordinate */
+    public int cellX(double worldX) {
+        return (int) Math.floor(worldX / CELL_SIZE) + this.cells / 2;
+    }
+
+    public int cellZ(double worldZ) {
+        return this.cellX(worldZ);
+    }
+
+    /** Spieler-Position in der Zellenmitte, einen Block ueber dem Boden */
+    public Pos worldCenter(int[] cell, int baseY) {
+        return new Pos(this.worldX(cell[0]) + CELL_SIZE / 2.0, baseY + 2, this.worldZ(cell[1]) + CELL_SIZE / 2.0);
+    }
+
+    public boolean isDarkAt(Pos position) {
+        return this.isDarkCell(this.cellX(position.x()), this.cellZ(position.z()));
+    }
+
+    public List<int[]> getSpawnCells() {
+        return this.spawnCells;
+    }
+
+    public List<int[]> getChestCells() {
+        return this.chestCells;
+    }
+
+    public List<int[]> getLightCells() {
+        return this.lightCells;
+    }
+
+    public List<int[]> getMarkerCells() {
+        return this.markerCells;
+    }
+
+    public int[] getExitCell() {
+        return this.exitCell;
+    }
+
+    public void setExitCell(int[] exitCell) {
+        this.exitCell = exitCell;
+    }
+
+    public int[] getKeyChestCell() {
+        return this.keyChestCell;
+    }
+
+    public int[] getDoorCell() {
+        return this.doorCell;
+    }
+
+    public void setDoorCell(int[] doorCell) {
+        this.doorCell = doorCell;
+    }
+
+    public void setKeyChestCell(int[] keyChestCell) {
+        this.keyChestCell = keyChestCell;
+    }
+
+    public void setGenerationBounds(int minCx, int maxCx, int minCz, int maxCz) {
+        this.minGenCx = minCx;
+        this.maxGenCx = maxCx;
+        this.minGenCz = minCz;
+        this.maxGenCz = maxCz;
+    }
+
+    public boolean inGenerationBounds(int cx, int cz) {
+        return cx >= this.minGenCx && cx <= this.maxGenCx && cz >= this.minGenCz && cz <= this.maxGenCz;
+    }
+
+    public int[] randomSpawnCell(Random rnd) {
+        return this.spawnCells.get(rnd.nextInt(this.spawnCells.size()));
+    }
+}
@@ -0,0 +1,56 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level;
+
+import net.minestom.server.instance.block.Block;
+
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Blockauswahl eines Levels. Listen erlauben leichte Variation (z. B. fleckiger Teppich);
+ * die Auswahl erfolgt deterministisch aus dem Layout-Random.
+ *
+ * Fuer eine deutliche visuelle Identitaet pro Leveltyp:
+ * - wallBase: abweichende unterste Wandschicht (Sockelleiste)
+ * - checkerFloor: Schachbrettmuster aus den ersten beiden floor-Eintraegen
+ * - floorDeco/ceilingDeco: seltene Deko-Bloecke auf dem Boden bzw. unter der Decke
+ */
+public record LevelPalette(
+    List<Block> floor,
+    List<Block> wall,
+    List<Block> ceiling,
+    Block light,
+    Block pillar,
+    int roomHeight,
+    Block wallBase,
+    boolean checkerFloor,
+    List<Block> floorDeco,
+    double floorDecoChance,
+    List<Block> ceilingDeco,
+    double ceilingDecoChance
+) {
+
+    public Block rndFloor(Random rnd) {
+        return this.floor.get(rnd.nextInt(this.floor.size()));
+    }
+
+    public Block floorAt(int worldX, int worldZ, Random rnd) {
+        if(!this.checkerFloor) return this.rndFloor(rnd);
+        return this.floor.get(Math.floorMod(worldX + worldZ, 2));
+    }
+
+    public Block rndWall(Random rnd) {
+        return this.wall.get(rnd.nextInt(this.wall.size()));
+    }
+
+    public Block rndCeiling(Random rnd) {
+        return this.ceiling.get(rnd.nextInt(this.ceiling.size()));
+    }
+
+    public Block rndFloorDeco(Random rnd) {
+        return this.floorDeco.get(rnd.nextInt(this.floorDeco.size()));
+    }
+
+    public Block rndCeilingDeco(Random rnd) {
+        return this.ceilingDeco.get(rnd.nextInt(this.ceilingDeco.size()));
+    }
+}
@@ -0,0 +1,87 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level;
+
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.BackroomsGame;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.BackroomsMonster;
+import net.minestom.server.coordinate.Pos;
+import net.minestom.server.entity.Player;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Laufzeit-Zustand eines Levels innerhalb einer Runde: Layout, Hoehenlage,
+ * aktive Monster und Level-Events. Die Level sind in einer Instanz vertikal gestapelt.
+ */
+public class LevelRuntime {
+    public static final int LEVEL_HEIGHT = 24;
+    public static final int TOP_BASE_Y = 96;
+
+    private final BackroomsGame game;
+    private final int index;
+    private final LevelDefinition definition;
+    private final LevelLayout layout;
+    private final Random rnd;
+    private final List<BackroomsMonster> monsters = new ArrayList<>();
+
+    private boolean blackoutActive = false;
+
+
+    public LevelRuntime(BackroomsGame game, int index, LevelDefinition definition, LevelLayout layout, Random rnd) {
+        this.game = game;
+        this.index = index;
+        this.definition = definition;
+        this.layout = layout;
+        this.rnd = rnd;
+    }
+
+    public static int baseY(int index) {
+        return TOP_BASE_Y - index * LEVEL_HEIGHT;
+    }
+
+    public int getBaseY() {
+        return baseY(this.index);
+    }
+
+    public int getIndex() {
+        return this.index;
+    }
+
+    public LevelDefinition getDefinition() {
+        return this.definition;
+    }
+
+    public LevelLayout getLayout() {
+        return this.layout;
+    }
+
+    public Random getRnd() {
+        return this.rnd;
+    }
+
+    public List<BackroomsMonster> getMonsters() {
+        return this.monsters;
+    }
+
+    public boolean isBlackoutActive() {
+        return this.blackoutActive;
+    }
+
+    public void setBlackoutActive(boolean blackoutActive) {
+        this.blackoutActive = blackoutActive;
+    }
+
+
+    public List<Player> playersInLevel() {
+        return this.game.playersInLevel(this.index);
+    }
+
+    /** Spieler-Position (Zellenmitte) fuer eine Layout-Zelle dieses Levels */
+    public Pos toPlayerPos(int[] cell) {
+        return this.layout.worldCenter(cell, this.getBaseY());
+    }
+
+    public Pos randomSpawn() {
+        return this.toPlayerPos(this.layout.randomSpawnCell(this.rnd));
+    }
+}
@@ -0,0 +1,25 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level;
+
+/**
+ * Alle implementierten Backrooms-Level. LOBBY ist immer das Startlevel,
+ * FINALE immer das letzte; der Pool dazwischen steht in BackroomsGame.LEVEL_POOL.
+ */
+public enum LevelType {
+    LOBBY("level_lobby"),
+    HABITABLE_ZONE("level_habitable"),
+    PIPE_DREAMS("level_pipeDreams"),
+    POOLROOMS("level_poolrooms"),
+    LIGHTS_OUT("level_lightsOut"),
+    FUN("level_fun"),
+    FINALE("level_finale");
+
+    private final String translationKey;
+
+    LevelType(String translationKey) {
+        this.translationKey = translationKey;
+    }
+
+    public String translationKey() {
+        return "game_Backrooms#" + this.translationKey;
+    }
+}
@@ -0,0 +1,15 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level;
+
+/**
+ * Art des Level-Ausgangs an der Exit-Zelle.
+ */
+public enum TransitionType {
+    /** Loch im Boden: offener Schacht, der Spieler faellt physisch ins naechste Level */
+    HOLE,
+    /** Leiter-Schacht nach unten */
+    LADDER,
+    /** flackernder "Glitch"-Boden: Betreten teleportiert */
+    GLITCH_FLOOR,
+    /** Finale: Ziel-Region erreichen = entkommen */
+    ESCAPE
+}
@@ -0,0 +1,113 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.impl;
+
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.generator.MazeAlgorithms;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelLayout;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+import java.util.function.BiPredicate;
+
+/**
+ * Gemeinsame Zellen-Hilfen der Level-Implementierungen: Monster-Platzierung fern
+ * der Spawns und Schutz reservierter Zellen (Spawns, Kisten, Schluessel-Kiste).
+ */
+final class Cells {
+    private static final int MONSTER_MIN_SPAWN_DISTANCE = 10;
+
+    private Cells() {
+    }
+
+    /**
+     * Zufaellige begehbare Zellen mit Mindestabstand (&gt; 10 Zellen) zu allen Spawns;
+     * der Abstand wird schrittweise gesenkt, falls sich sonst zu wenige Zellen finden.
+     */
+    static List<int[]> farWalkable(LevelLayout layout, Random rnd, int count) {
+        return far(layout, rnd, count, (x, z) -> true);
+    }
+
+    /**
+     * Flaechen-Faktor fuer Monsteranzahlen: grosse Karten (mehr Spieler) brauchen
+     * proportional mehr Monster, sonst wirken sie leer.
+     */
+    static int areaScale(LevelLayout layout) {
+        return Math.max(1, layout.getCells() / 16);
+    }
+
+    /** Wie {@link #farWalkable}, zusaetzlich gefiltert; liefert notfalls weniger als count Zellen. */
+    static List<int[]> far(LevelLayout layout, Random rnd, int count, BiPredicate<Integer, Integer> filter) {
+        for(int minDistance = MONSTER_MIN_SPAWN_DISTANCE; ; minDistance -= 2) {
+            List<int[]> candidates = new ArrayList<>();
+            for(int x = 0; x < layout.getCells(); x++) {
+                for(int z = 0; z < layout.getCells(); z++) {
+                    if(!layout.isWalkable(x, z) || !filter.test(x, z)) continue;
+                    if(distanceToSpawns(layout, x, z) > minDistance) candidates.add(new int[]{x, z});
+                }
+            }
+            if(candidates.size() >= count || minDistance <= 0) {
+                // Paarweiser Mindestabstand, damit die Monster nicht am selben Fleck stehen
+                double spread = Math.max(4, layout.getCells() / 8.0);
+                return MazeAlgorithms.sampleSpread(candidates, rnd, count, spread);
+            }
+        }
+    }
+
+    static double distanceToSpawns(LevelLayout layout, int cx, int cz) {
+        double min = Double.MAX_VALUE;
+        for(int[] spawn : layout.getSpawnCells()) {
+            double dx = cx - spawn[0];
+            double dz = cz - spawn[1];
+            min = Math.min(min, Math.sqrt(dx * dx + dz * dz));
+        }
+        return min;
+    }
+
+    /** Zelle ist als Spawn, Kiste oder Schluessel-Kiste reserviert und darf nicht ueberbaut werden. */
+    static boolean reserved(LevelLayout layout, int cx, int cz) {
+        int[] keyChest = layout.getKeyChestCell();
+        return contains(layout.getSpawnCells(), cx, cz)
+            || contains(layout.getChestCells(), cx, cz)
+            || (keyChest != null && keyChest[0] == cx && keyChest[1] == cz);
+    }
+
+    static boolean contains(List<int[]> cells, int cx, int cz) {
+        for(int[] cell : cells) {
+            if(cell[0] == cx && cell[1] == cz) return true;
+        }
+        return false;
+    }
+
+    static int openOrthogonal(LevelLayout layout, int cx, int cz) {
+        int open = 0;
+        if(layout.isWalkable(cx + 1, cz)) open++;
+        if(layout.isWalkable(cx - 1, cz)) open++;
+        if(layout.isWalkable(cx, cz + 1)) open++;
+        if(layout.isWalkable(cx, cz - 1)) open++;
+        return open;
+    }
+
+    static void removeLight(LevelLayout layout, int cx, int cz) {
+        layout.getLightCells().removeIf(cell -> cell[0] == cx && cell[1] == cz);
+    }
+
+    /**
+     * Stempelt kreisfoermige Dunkelzonen ins Layout und entfernt dort die Beleuchtung.
+     */
+    static void darkBlobs(LevelLayout layout, Random rnd, int count, int minRadius, int maxRadius) {
+        int cells = layout.getCells();
+        for(int i = 0; i < count; i++) {
+            int centerX = 3 + rnd.nextInt(Math.max(1, cells - 6));
+            int centerZ = 3 + rnd.nextInt(Math.max(1, cells - 6));
+            int radius = minRadius + rnd.nextInt(Math.max(1, maxRadius - minRadius + 1));
+            for(int x = centerX - radius; x <= centerX + radius; x++) {
+                for(int z = centerZ - radius; z <= centerZ + radius; z++) {
+                    if(!layout.inBounds(x, z)) continue;
+                    double dx = x - centerX;
+                    double dz = z - centerZ;
+                    if(Math.sqrt(dx * dx + dz * dz) <= radius) layout.setDark(x, z, true);
+                }
+            }
+        }
+        layout.getLightCells().removeIf(cell -> layout.isDarkCell(cell[0], cell[1]));
+    }
+}
@@ -0,0 +1,151 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.impl;
+
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.BackroomsGame;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.ambience.AmbienceProfile;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.generator.MazeAlgorithms;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelDefinition;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelLayout;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelPalette;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelRuntime;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelType;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.TransitionType;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Bacteria;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.BackroomsMonster;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Hound;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Smiler;
+import net.minestom.server.instance.block.Block;
+import net.minestom.server.sound.SoundEvent;
+
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Level 0 "The Lobby": endlose Raumfluchten im Stil des urspruenglichen Prototyps —
+ * duenne Sandsteinwaende mit Tuerluecken im Raster, heller Wollteppich, summende
+ * Deckenlampen, dazu dunkle Blackout-Zonen mit lauernden Smilern.
+ * Ausgang: Loch im Boden hinter einer verschlossenen Tuer.
+ */
+public class Level0Lobby extends LevelDefinition {
+    // Palette nach dem urspruenglichen Prototyp: heller Wollboden, Smooth Sandstone,
+    // Sea Lanterns im Deckenraster, gemeisselte Sandstein-Eckpfosten
+    private static final LevelPalette PALETTE = new LevelPalette(
+        List.of(Block.LIGHT_GRAY_WOOL, Block.LIGHT_GRAY_WOOL, Block.LIGHT_GRAY_WOOL, Block.BROWN_WOOL),
+        List.of(Block.SMOOTH_SANDSTONE, Block.SMOOTH_SANDSTONE, Block.SMOOTH_SANDSTONE, Block.SANDSTONE),
+        List.of(Block.SMOOTH_STONE, Block.SMOOTH_STONE, Block.STONE),
+        Block.SEA_LANTERN,
+        Block.CHISELED_SANDSTONE,
+        3,
+        Block.SMOOTH_SANDSTONE,
+        false,
+        List.of(Block.COBWEB),
+        0.008,
+        List.of(),
+        0
+    );
+
+    /** Rasterweite des Prototyp-Wandmusters (in Zellen) */
+    private static final int SEGMENT_GRID = 3;
+
+    @Override
+    public LevelType type() {
+        return LevelType.LOBBY;
+    }
+
+    /**
+     * Generierung nach dem urspruenglichen Prototyp: offene Flaeche, in die ein
+     * 4-Zellen-Raster aus duennen Sandsteinwand-Segmenten mit zufaelligen
+     * Tuerluecken und Eckpfosten gelegt wird — statt eines Gaenge-Labyrinths.
+     */
+    @Override
+    public LevelLayout buildLayout(Random rnd, int cells, int playerCount) {
+        LevelLayout layout = new LevelLayout(cells);
+        MazeAlgorithms.openField(layout);
+
+        // Eckpfosten an den Rasterpunkten
+        for(int gx = SEGMENT_GRID; gx < cells - 1; gx += SEGMENT_GRID) {
+            for(int gz = SEGMENT_GRID; gz < cells - 1; gz += SEGMENT_GRID) {
+                layout.setCell(gx, gz, LevelLayout.Cell.THIN_PILLAR);
+
+                // je Richtung: ~83% vorhanden, davon die Haelfte mit Tuerluecke
+                this.carveSegment(layout, rnd, gx, gz, true);
+                this.carveSegment(layout, rnd, gx, gz, false);
+            }
+        }
+
+        this.finalizeLayout(layout, rnd, playerCount, 2);
+
+        // Blackout-Zonen: dunkle Flecken, in denen die Deckenbeleuchtung fehlt
+        Cells.darkBlobs(layout, rnd, 2 + rnd.nextInt(3), 3, 6);
+
+        return layout;
+    }
+
+
+    /** Ein Wandsegment vom Rasterpunkt aus entlang +x bzw. +z, mit optionaler Tuerluecke. */
+    private void carveSegment(LevelLayout layout, Random rnd, int gx, int gz, boolean alongX) {
+        if(rnd.nextInt(6) == 0) return;
+        int cells = layout.getCells();
+        int gap = rnd.nextInt(2) == 0 ? 1 + rnd.nextInt(SEGMENT_GRID - 1) : -1;
+        for(int step = 1; step < SEGMENT_GRID; step++) {
+            int x = alongX ? gx + step : gx;
+            int z = alongX ? gz : gz + step;
+            if((alongX ? x : z) >= cells - 1 || step == gap) continue;
+            if(layout.cellAt(x, z) == LevelLayout.Cell.FLOOR) {
+                layout.setCell(x, z, alongX ? LevelLayout.Cell.THIN_WALL_X : LevelLayout.Cell.THIN_WALL_Z);
+            }
+        }
+    }
+
+    @Override
+    public LevelPalette palette() {
+        return PALETTE;
+    }
+
+    @Override
+    public TransitionType transitionType() {
+        return TransitionType.HOLE;
+    }
+
+    @Override
+    public boolean usesKeyDoor() {
+        return true;
+    }
+
+    /** Smiler lauern in den Blackout-Zonen; vereinzelt steht eine Bacteria als "Wand" herum. */
+    @Override
+    public void populateMonsters(BackroomsGame game, LevelRuntime runtime, int density) {
+        LevelLayout layout = runtime.getLayout();
+        for(int[] cell : Cells.far(layout, runtime.getRnd(), density * Cells.areaScale(layout), layout::isDarkCell)) {
+            Smiler smiler = new Smiler(runtime);
+            smiler.spawnAtCell(game, cell);
+            runtime.getMonsters().add(smiler);
+        }
+        for(int[] cell : Cells.farWalkable(layout, runtime.getRnd(), Math.max(1, density - 1))) {
+            Bacteria bacteria = new Bacteria(runtime);
+            bacteria.spawnAtCell(game, cell);
+            runtime.getMonsters().add(bacteria);
+        }
+    }
+
+    /** Nachschub: Smiler in Dunkelzonen, in den hellen Fluren selten Hound oder Bacteria. */
+    @Override
+    public BackroomsMonster createRoamingMonster(LevelRuntime runtime, int[] cell) {
+        if(runtime.getLayout().isDarkCell(cell[0], cell[1])) return new Smiler(runtime);
+        int roll = runtime.getRnd().nextInt(100);
+        if(roll < 20) return new Hound(runtime);
+        if(roll < 35) return new Bacteria(runtime);
+        return null;
+    }
+
+    @Override
+    public AmbienceProfile ambience() {
+        return new AmbienceProfile(
+            SoundEvent.BLOCK_BEACON_AMBIENT,
+            0.15f,
+            0.5f,
+            8,
+            List.of(SoundEvent.AMBIENT_CAVE, SoundEvent.BLOCK_WOODEN_DOOR_OPEN, SoundEvent.BLOCK_STONE_STEP),
+            0.015
+        );
+    }
+}
@@ -0,0 +1,368 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.impl;
+
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.BackroomsGame;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.ambience.AmbienceProfile;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.generator.MazeAlgorithms;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelDefinition;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelLayout;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelPalette;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelRuntime;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelType;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.TransitionType;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.BackroomsMonster;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Deathmoth;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Hound;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Partygoer;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.ambience.Jumpscare;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Smiler;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Wretch;
+import eu.mhsl.minenet.minigames.message.type.ActionBarMessage;
+import eu.mhsl.minenet.minigames.message.type.TitleMessage;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.BackroomsPlayer;
+import net.kyori.adventure.sound.Sound;
+import net.kyori.adventure.text.Component;
+import net.minestom.server.entity.Player;
+import net.minestom.server.entity.damage.DamageType;
+import net.minestom.server.instance.block.Block;
+import net.minestom.server.sound.SoundEvent;
+
+import java.time.Duration;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import java.util.Random;
+
+/**
+ * Level ! "Run For Your Life": ein langer Krankenhauskorridor. Hinter den Spielern
+ * frisst sich eine toedliche Zone mit steigendem Tempo den Gang entlang — wer das
+ * Ende erreicht, ist entkommen und gewinnt.
+ */
+public class LevelFinale extends LevelDefinition {
+    private static final int CORRIDOR_CELLS = 67;
+    /** Vorsprung in Sekunden, bevor Meute und Todeszone losgelassen werden */
+    private static final int HEAD_START_SECONDS = 12;
+    /** Wer diese Distanz vor dem Ende des Countdowns laeuft, loest seine Jagd sofort aus */
+    private static final double RELEASE_DISTANCE = 12;
+    private static final double ZONE_BASE_SPEED = 1.2;
+    private static final double ZONE_ACCELERATION = 0.04;
+    private static final double ZONE_MAX_SPEED = 4.5;
+
+    /** Sekunden Dunkelheit, bevor der Duell-Smiler erscheint */
+    private static final int CHALLENGE_DELAY_SECONDS = 4;
+
+    private final List<int[]> challengeRooms = new ArrayList<>();
+    private final Map<UUID, Integer> challengeTimers = new HashMap<>();
+    private final Map<UUID, Smiler> challengeSmilers = new HashMap<>();
+
+    private static final LevelPalette PALETTE = new LevelPalette(
+        List.of(Block.WHITE_CONCRETE, Block.WHITE_CONCRETE, Block.LIGHT_GRAY_CONCRETE),
+        List.of(Block.WHITE_CONCRETE, Block.QUARTZ_BLOCK, Block.QUARTZ_BLOCK),
+        List.of(Block.LIGHT_GRAY_CONCRETE),
+        Block.SEA_LANTERN,
+        Block.QUARTZ_PILLAR,
+        4,
+        Block.LIGHT_BLUE_CONCRETE,
+        false,
+        List.of(Block.COBWEB),
+        0.02,
+        List.of(),
+        0
+    );
+
+    @Override
+    public LevelType type() {
+        return LevelType.FINALE;
+    }
+
+    @Override
+    public LevelLayout buildLayout(Random rnd, int cells, int playerCount) {
+        LevelLayout layout = new LevelLayout(CORRIDOR_CELLS);
+
+        // Korridorbreite skaliert mit der Spielerzahl (2 Zellen = 6 Bloecke bis 8 Zellen = 24)
+        int widthCells = Math.clamp(2 + playerCount / 8, 2, 8);
+        int zStart = (CORRIDOR_CELLS - widthCells) / 2;
+
+        for(int x = 1; x < CORRIDOR_CELLS - 1; x++) {
+            for(int z = zStart; z < zStart + widthCells; z++) {
+                layout.setCell(x, z, LevelLayout.Cell.FLOOR);
+            }
+        }
+
+        // Hindernisse: einzelne Pfeiler-Zellen im Laufweg
+        for(int x = 8; x < CORRIDOR_CELLS - 6; x += 3 + rnd.nextInt(4)) {
+            int z = zStart + rnd.nextInt(widthCells);
+            layout.setCell(x, z, LevelLayout.Cell.PILLAR);
+        }
+
+        // Alle Spieler starten am linken Ende
+        for(int z = zStart; z < zStart + widthCells; z++) {
+            layout.getSpawnCells().add(new int[]{2, z});
+            layout.getSpawnCells().add(new int[]{3, z});
+        }
+
+        // Nur der Korridor + Kammern wird generiert — nicht die ~90 % toten WALL-Zellen des Rasters
+        layout.setGenerationBounds(0, CORRIDOR_CELLS - 1, zStart - 6, zStart + widthCells + 5);
+
+        layout.setExitCell(new int[]{CORRIDOR_CELLS - 2, zStart + widthCells / 2});
+        layout.setCell(CORRIDOR_CELLS - 2, zStart + widthCells / 2, LevelLayout.Cell.EXIT);
+
+        // Pickups (Energy Bars/Almond Water) entlang der Strecke
+        List<int[]> floorCells = new ArrayList<>();
+        for(int x = 6; x < CORRIDOR_CELLS - 4; x++) {
+            for(int z = zStart; z < zStart + widthCells; z++) {
+                if(layout.cellAt(x, z) == LevelLayout.Cell.FLOOR) floorCells.add(new int[]{x, z});
+            }
+        }
+        layout.getChestCells().addAll(MazeAlgorithms.sampleSpread(floorCells, rnd, 8, 6));
+
+        // Sparsame Beleuchtung in der Gangmitte
+        for(int x = 4; x < CORRIDOR_CELLS - 2; x += 5) {
+            layout.getLightCells().add(new int[]{x, zStart + widthCells / 2});
+        }
+
+        // Seitentueren zu dunklen Duell-Kammern: wer (mit Key) eintritt und den
+        // dort spawnenden Smiler toetet, entkommt ebenfalls
+        int doors = 3 + rnd.nextInt(3);
+        for(int i = 0; i < doors; i++) {
+            int x = 10 + i * (CORRIDOR_CELLS - 20) / doors + rnd.nextInt(4);
+            boolean north = rnd.nextBoolean();
+            int wallZ = north ? zStart - 1 : zStart + widthCells;
+            int direction = north ? -1 : 1;
+            if(!layout.inBounds(x, wallZ + direction * 3)) continue;
+            if(layout.cellAt(x, wallZ) != LevelLayout.Cell.WALL) continue;
+
+            layout.setCell(x, wallZ, LevelLayout.Cell.DOOR);
+            for(int dx = -1; dx <= 1; dx++) {
+                for(int step = 1; step <= 3; step++) {
+                    int roomZ = wallZ + direction * step;
+                    if(!layout.inBounds(x + dx, roomZ)) continue;
+                    layout.setCell(x + dx, roomZ, LevelLayout.Cell.FLOOR);
+                    layout.setDark(x + dx, roomZ, true);
+                }
+            }
+            // {RaumzentrumX, RaumzentrumZ, TuerzellenX, TuerzellenZ}
+            this.challengeRooms.add(new int[]{x, wallZ + direction * 2, x, wallZ});
+        }
+
+        return layout;
+    }
+
+    /**
+     * Verschliesst die Kammertuer endgueltig: Tuerbloecke zurueck, Zelle wird Wand —
+     * der DoorManager oeffnet sie nie wieder, die Meute bleibt draussen.
+     */
+    private void sealDoor(BackroomsGame game, LevelRuntime runtime, int[] room) {
+        LevelLayout layout = runtime.getLayout();
+        int doorCx = room[2];
+        int doorCz = room[3];
+        if(layout.cellAt(doorCx, doorCz) == LevelLayout.Cell.WALL) return;
+
+        int doorX = layout.worldX(doorCx) + 1;
+        int doorZ = layout.worldZ(doorCz) + 1;
+        game.setBlock(doorX, runtime.getBaseY() + 2, doorZ, Block.IRON_DOOR.withProperties(Map.of("half", "lower", "facing", "north")));
+        game.setBlock(doorX, runtime.getBaseY() + 3, doorZ, Block.IRON_DOOR.withProperties(Map.of("half", "upper", "facing", "north")));
+        layout.setCell(doorCx, doorCz, LevelLayout.Cell.WALL);
+
+        game.playSound(Sound.sound(SoundEvent.BLOCK_IRON_DOOR_CLOSE, Sound.Source.BLOCK, 1.2f, 0.6f),
+            doorX, runtime.getBaseY() + 2, doorZ);
+    }
+
+    /** Zentrum der Duell-Kammer, in der der Spieler gerade steht — oder null. */
+    private int[] challengeRoomAt(LevelLayout layout, Player player) {
+        int cx = layout.cellX(player.getPosition().x());
+        int cz = layout.cellZ(player.getPosition().z());
+        for(int[] center : this.challengeRooms) {
+            if(Math.abs(cx - center[0]) <= 1 && Math.abs(cz - center[1]) <= 1) return center;
+        }
+        return null;
+    }
+
+    @Override
+    public LevelPalette palette() {
+        return PALETTE;
+    }
+
+    @Override
+    public TransitionType transitionType() {
+        return TransitionType.ESCAPE;
+    }
+
+    /** Schaltet die 10%-Key-Chance der Strecken-Barrels frei (fuer die Duell-Tueren). */
+    @Override
+    public boolean usesKeyDoor() {
+        return true;
+    }
+
+    @Override
+    public boolean opensSingleDoors() {
+        return true;
+    }
+
+    /**
+     * Jeder Spieler hat seine EIGENE Verfolgungsjagd: eigener Countdown, eigene Zone,
+     * eigene Meute. Freigabe entweder nach dem Vorsprungs-Countdown oder frueher,
+     * sobald der Spieler die ersten Meter gelaufen ist. Nachzuegler und Respawns
+     * starten dadurch immer fair mit eigenem Vorsprung.
+     */
+    @Override
+    public void onLevelTick(BackroomsGame game, LevelRuntime runtime) {
+        LevelLayout layout = runtime.getLayout();
+        double startX = layout.worldX(2);
+
+        for(Player player : runtime.playersInLevel()) {
+            BackroomsPlayer state = game.playerState(player);
+            if(state == null) continue;
+
+            // Ankunft: Sirene, Countdown beginnt
+            if(state.getFinaleSeconds() == BackroomsPlayer.FINALE_NOT_STARTED) {
+                state.setFinaleSeconds(-HEAD_START_SECONDS);
+                player.playSound(Sound.sound(SoundEvent.EVENT_RAID_HORN, Sound.Source.HOSTILE, 1f, 0.8f), Sound.Emitter.self());
+                continue;
+            }
+
+            int seconds = state.getFinaleSeconds() + 1;
+            state.setFinaleSeconds(seconds);
+
+            if(seconds < 0) {
+                // Wer schon losgelaufen ist, loest seine Jagd sofort aus
+                if(player.getPosition().x() > startX + RELEASE_DISTANCE) {
+                    seconds = 0;
+                    state.setFinaleSeconds(0);
+                } else {
+                    new ActionBarMessage()
+                        .appendTranslated("game_Backrooms#finaleCountdown")
+                        .appendStatic(Component.text(" " + (-seconds)))
+                        .send(player);
+                    player.playSound(Sound.sound(SoundEvent.BLOCK_NOTE_BLOCK_HAT, Sound.Source.AMBIENT, 1f, 1f), Sound.Emitter.self());
+                    continue;
+                }
+            }
+
+            // Freigabe: "RENN!", persoenliche Meute hinter dem Spieler, Zone startet
+            if(seconds == 0) {
+                player.playSound(Sound.sound(SoundEvent.ENTITY_GENERIC_EXPLODE, Sound.Source.HOSTILE, 1.5f, 0.5f), Sound.Emitter.self());
+                new TitleMessage(Duration.ofSeconds(2)).appendTranslated("game_Backrooms#finaleRun").send(player);
+                state.setFinaleZoneX(Math.max(layout.worldX(0), player.getPosition().x() - 14));
+                this.spawnPackBehind(game, runtime, player);
+                continue;
+            }
+
+            // In einer Duell-Kammer pausiert die persoenliche Zone — dort zaehlt nur der Smiler
+            if(this.tickChallenge(game, runtime, player)) continue;
+
+            double speed = Math.min(ZONE_MAX_SPEED, ZONE_BASE_SPEED + seconds * ZONE_ACCELERATION);
+            state.setFinaleZoneX(state.getFinaleZoneX() + speed);
+
+            if(seconds % 2 == 0) {
+                player.playSound(Sound.sound(SoundEvent.BLOCK_NOTE_BLOCK_PLING, Sound.Source.AMBIENT, 1f, 2f), Sound.Emitter.self());
+            }
+            double distance = player.getPosition().x() - state.getFinaleZoneX();
+            if(distance < 0) {
+                player.damage(DamageType.MOB_ATTACK, 3);
+                player.playSound(Sound.sound(SoundEvent.ENTITY_WARDEN_ATTACK_IMPACT, Sound.Source.HOSTILE, 1f, 0.7f), Sound.Emitter.self());
+            } else if(distance < 15) {
+                player.playSound(Sound.sound(SoundEvent.ENTITY_WARDEN_HEARTBEAT, Sound.Source.HOSTILE, 1.2f, 0.8f), Sound.Emitter.self());
+            }
+        }
+    }
+
+    /**
+     * Duell-Kammer: nach kurzer Dunkelheit erscheint ein an den Spieler gebundener
+     * Smiler — wer ihn toetet, ist entkommen.
+     *
+     * @return true, wenn der Spieler gerade im Duell steckt (Zone pausiert dann)
+     */
+    private boolean tickChallenge(BackroomsGame game, LevelRuntime runtime, Player player) {
+        // Sieg-Check unabhaengig vom Aufenthaltsort
+        Smiler smiler = this.challengeSmilers.get(player.getUuid());
+        if(smiler != null && (smiler.isDead() || smiler.isRemoved())) {
+            this.challengeSmilers.remove(player.getUuid());
+            game.escape(player);
+            return true;
+        }
+
+        LevelLayout layout = runtime.getLayout();
+        int[] room = this.challengeRoomAt(layout, player);
+        if(room == null) {
+            this.challengeTimers.remove(player.getUuid());
+            return false;
+        }
+
+        if(smiler != null) return true;
+
+        Integer timer = this.challengeTimers.get(player.getUuid());
+        if(timer == null) {
+            this.challengeTimers.put(player.getUuid(), CHALLENGE_DELAY_SECONDS);
+            // Die Tuer faellt hinter dir zu — und geht nie wieder auf
+            this.sealDoor(game, runtime, room);
+            player.playSound(Sound.sound(SoundEvent.BLOCK_SCULK_SHRIEKER_SHRIEK, Sound.Source.HOSTILE, 0.8f, 0.5f), Sound.Emitter.self());
+            return true;
+        }
+
+        if(timer > 1) {
+            this.challengeTimers.put(player.getUuid(), timer - 1);
+            player.playSound(Sound.sound(SoundEvent.ENTITY_WARDEN_HEARTBEAT, Sound.Source.HOSTILE, 0.8f, 0.6f), Sound.Emitter.self());
+            return true;
+        }
+
+        // Das Grinsen erscheint
+        this.challengeTimers.remove(player.getUuid());
+        Smiler duelSmiler = new Smiler(runtime);
+        duelSmiler.setBoundPlayer(player);
+        duelSmiler.spawnAtCell(game, room);
+        runtime.getMonsters().add(duelSmiler);
+        this.challengeSmilers.put(player.getUuid(), duelSmiler);
+        Jumpscare.visual(player, game);
+        return true;
+    }
+
+    /** Gemischte 3er-Meute wenige Zellen hinter dem Spieler. */
+    private void spawnPackBehind(BackroomsGame game, LevelRuntime runtime, Player player) {
+        LevelLayout layout = runtime.getLayout();
+        int playerCx = layout.cellX(player.getPosition().x());
+        int playerCz = layout.cellZ(player.getPosition().z());
+
+        int spawned = 0;
+        List<int[]> used = new ArrayList<>();
+        for(int attempt = 0; attempt < 12 && spawned < 3; attempt++) {
+            // Wer noch am Korridoranfang steht, hat kein "Hinten" — dann spawnt die
+            // Meute in der ersten begehbaren Spalte direkt hinter bzw. neben ihm
+            int cx = Math.max(1, playerCx - 2 - runtime.getRnd().nextInt(4));
+            int cz = playerCz + runtime.getRnd().nextInt(5) - 2;
+            if(!layout.isWalkable(cx, cz)) continue;
+            // jede Meute verteilt auf unterschiedliche Zellen
+            int finalCx = cx;
+            int finalCz = cz;
+            if(used.stream().anyMatch(cell -> cell[0] == finalCx && cell[1] == finalCz)) continue;
+            used.add(new int[]{cx, cz});
+
+            BackroomsMonster monster = switch(runtime.getRnd().nextInt(5)) {
+                case 0 -> new Partygoer(runtime);
+                case 1 -> new Wretch(runtime);
+                case 2 -> new Deathmoth(runtime);
+                default -> new Hound(runtime);
+            };
+            monster.setRoaming(true);
+            monster.setRelentless(true);
+            monster.setBoundPlayer(player);
+            monster.spawnAtCell(game, new int[]{cx, cz});
+            runtime.getMonsters().add(monster);
+            spawned++;
+        }
+    }
+
+    @Override
+    public AmbienceProfile ambience() {
+        return new AmbienceProfile(
+            SoundEvent.ENTITY_WARDEN_HEARTBEAT,
+            0.6f,
+            1f,
+            4,
+            List.of(SoundEvent.ENTITY_WARDEN_NEARBY_CLOSE, SoundEvent.ENTITY_GHAST_SCREAM),
+            0.05
+        );
+    }
+}
@@ -0,0 +1,109 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.impl;
+
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.BackroomsGame;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.ambience.AmbienceProfile;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelDefinition;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelLayout;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelPalette;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelRuntime;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelType;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.TransitionType;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.BackroomsMonster;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Partygoer;
+import net.minestom.server.instance.block.Block;
+import net.minestom.server.sound.SoundEvent;
+
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Level Fun "=)": eine endlose Kinderparty in grellen Farben, mit kaputter
+ * Partymusik aus der Deckenanlage. Die Partygoer streifen in Rudeln umher
+ * und wollen, dass man FUER IMMER bleibt.
+ */
+public class LevelFun extends LevelDefinition {
+    private static final LevelPalette PALETTE = new LevelPalette(
+        List.of(Block.LIGHT_BLUE_WOOL, Block.CYAN_WOOL),
+        List.of(Block.ORANGE_CONCRETE, Block.ORANGE_TERRACOTTA, Block.YELLOW_CONCRETE),
+        List.of(Block.WHITE_CONCRETE),
+        Block.GLOWSTONE,
+        Block.MAGENTA_CONCRETE,
+        4,
+        Block.LIME_CONCRETE,
+        true,
+        List.of(Block.CAKE),
+        0.012,
+        List.of(),
+        0
+    );
+
+    @Override
+    public LevelType type() {
+        return LevelType.FUN;
+    }
+
+    @Override
+    public LevelLayout buildLayout(Random rnd, int cells, int playerCount) {
+        return this.standardLayout(rnd, cells, playerCount, 0.7, cells / 2, 7, 3);
+    }
+
+    @Override
+    public LevelPalette palette() {
+        return PALETTE;
+    }
+
+    @Override
+    public TransitionType transitionType() {
+        return TransitionType.GLITCH_FLOOR;
+    }
+
+    @Override
+    public boolean usesKeyDoor() {
+        return true;
+    }
+
+    /** Partygoer treten in Rudeln von 3-4 auf, jedes Rudel gemeinsam an einer Zelle. */
+    @Override
+    public void populateMonsters(BackroomsGame game, LevelRuntime runtime, int density) {
+        Random rnd = runtime.getRnd();
+        LevelLayout layout = runtime.getLayout();
+        for(int[] cell : Cells.farWalkable(layout, rnd, density * Cells.areaScale(layout))) {
+            int packSize = 3 + rnd.nextInt(2);
+            for(int i = 0; i < packSize; i++) {
+                // Rudel bleibt zusammen, aber jedes Mitglied auf einer eigenen Nachbarzelle
+                int cx = cell[0];
+                int cz = cell[1];
+                for(int attempt = 0; attempt < 6; attempt++) {
+                    int nx = cell[0] + rnd.nextInt(3) - 1;
+                    int nz = cell[1] + rnd.nextInt(3) - 1;
+                    if(layout.isWalkable(nx, nz)) {
+                        cx = nx;
+                        cz = nz;
+                        break;
+                    }
+                }
+                Partygoer partygoer = new Partygoer(runtime);
+                partygoer.spawnAtCell(game, new int[]{cx, cz});
+                runtime.getMonsters().add(partygoer);
+            }
+        }
+    }
+
+    /** "You can never catch a Partygoer alone" — der Nachschub kommt zu den Rudeln dazu. */
+    @Override
+    public BackroomsMonster createRoamingMonster(LevelRuntime runtime, int[] cell) {
+        return new Partygoer(runtime);
+    }
+
+    @Override
+    public AmbienceProfile ambience() {
+        return new AmbienceProfile(
+            SoundEvent.BLOCK_NOTE_BLOCK_BIT,
+            0.6f,
+            1.4f,
+            6,
+            List.of(SoundEvent.ENTITY_VILLAGER_CELEBRATE, SoundEvent.ENTITY_FIREWORK_ROCKET_LAUNCH, SoundEvent.BLOCK_CAKE_ADD_CANDLE),
+            0.04
+        );
+    }
+}
@@ -0,0 +1,146 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.impl;
+
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.BackroomsGame;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.ambience.AmbienceProfile;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelDefinition;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelLayout;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelPalette;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelRuntime;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelType;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.TransitionType;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Bacteria;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.BackroomsMonster;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Hound;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Wretch;
+import net.kyori.adventure.sound.Sound;
+import net.minestom.server.instance.block.Block;
+import net.minestom.server.sound.SoundEvent;
+
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Level 1 "Habitable Zone": Parkhaus-/Lagerhallen-Atmosphaere aus grauem Beton.
+ * Grosse offene Flaechen mit regelmaessigen Stuetzpfeilern und vereinzelten
+ * Wasserpfuetzen. Event "The Flickering": kurze, zufaellige Komplett-Blackouts.
+ */
+public class LevelHabitableZone extends LevelDefinition {
+    private int blackoutSecondsLeft = 0;
+    private static final double FLICKERING_CHANCE_PER_SECOND = 1.0 / 60.0;
+    private static final double PUDDLE_CHANCE = 0.02;
+
+    private static final LevelPalette PALETTE = new LevelPalette(
+        List.of(Block.GRAY_CONCRETE, Block.STONE, Block.ANDESITE),
+        List.of(Block.STONE_BRICKS, Block.GRAY_CONCRETE, Block.CRACKED_STONE_BRICKS),
+        List.of(Block.GRAY_CONCRETE, Block.STONE),
+        Block.SEA_LANTERN,
+        Block.POLISHED_ANDESITE,
+        5,
+        Block.POLISHED_ANDESITE,
+        false,
+        List.of(Block.COBWEB),
+        0.006,
+        List.of(Block.IRON_CHAIN),
+        0.015
+    );
+
+    @Override
+    public LevelType type() {
+        return LevelType.HABITABLE_ZONE;
+    }
+
+    @Override
+    public LevelLayout buildLayout(Random rnd, int cells, int playerCount) {
+        LevelLayout layout = this.openLayout(rnd, cells, playerCount, cells / 2, 2);
+
+        // Stuetzpfeiler im 4er-Raster, nur mitten in Freiflaechen (Zelle + alle 4 Nachbarn frei)
+        for(int x = 2; x < cells - 2; x += 4) {
+            for(int z = 2; z < cells - 2; z += 4) {
+                if(layout.cellAt(x, z) != LevelLayout.Cell.FLOOR) continue;
+                if(layout.cellAt(x + 1, z) != LevelLayout.Cell.FLOOR) continue;
+                if(layout.cellAt(x - 1, z) != LevelLayout.Cell.FLOOR) continue;
+                if(layout.cellAt(x, z + 1) != LevelLayout.Cell.FLOOR) continue;
+                if(layout.cellAt(x, z - 1) != LevelLayout.Cell.FLOOR) continue;
+                if(Cells.reserved(layout, x, z)) continue;
+                layout.setCell(x, z, LevelLayout.Cell.PILLAR);
+                Cells.removeLight(layout, x, z);
+            }
+        }
+
+        // Vereinzelte Wasserpfuetzen auf dem Hallenboden
+        for(int x = 1; x < cells - 1; x++) {
+            for(int z = 1; z < cells - 1; z++) {
+                if(layout.cellAt(x, z) != LevelLayout.Cell.FLOOR) continue;
+                if(Cells.reserved(layout, x, z)) continue;
+                if(rnd.nextDouble() < PUDDLE_CHANCE) layout.setCell(x, z, LevelLayout.Cell.WATER);
+            }
+        }
+
+        return layout;
+    }
+
+    @Override
+    public LevelPalette palette() {
+        return PALETTE;
+    }
+
+    @Override
+    public TransitionType transitionType() {
+        return TransitionType.LADDER;
+    }
+
+    @Override
+    public void populateMonsters(BackroomsGame game, LevelRuntime runtime, int density) {
+        for(int[] cell : Cells.farWalkable(runtime.getLayout(), runtime.getRnd(), (1 + density) * Cells.areaScale(runtime.getLayout()))) {
+            Hound hound = new Hound(runtime);
+            hound.spawnAtCell(game, cell);
+            runtime.getMonsters().add(hound);
+        }
+        // Getarnte Bacteria zwischen den Betonpfeilern
+        for(int[] cell : Cells.farWalkable(runtime.getLayout(), runtime.getRnd(), density)) {
+            Bacteria bacteria = new Bacteria(runtime);
+            bacteria.spawnAtCell(game, cell);
+            runtime.getMonsters().add(bacteria);
+        }
+    }
+
+    /** Nachschub: meist Hounds, dazu Wretches und getarnte Bacteria. */
+    @Override
+    public BackroomsMonster createRoamingMonster(LevelRuntime runtime, int[] cell) {
+        int roll = runtime.getRnd().nextInt(100);
+        if(roll < 60) return new Hound(runtime);
+        if(roll < 85) return new Wretch(runtime);
+        return new Bacteria(runtime);
+    }
+
+    /** "The Flickering": zufaellig faellt fuer wenige Sekunden das komplette Licht aus. */
+    @Override
+    public void onLevelTick(BackroomsGame game, LevelRuntime runtime) {
+        Random rnd = runtime.getRnd();
+        if(!runtime.isBlackoutActive()) {
+            if(rnd.nextDouble() >= FLICKERING_CHANCE_PER_SECOND) return;
+            runtime.setBlackoutActive(true);
+            this.blackoutSecondsLeft = 5 + rnd.nextInt(4);
+            runtime.playersInLevel().forEach(player -> {
+                player.playSound(Sound.sound(SoundEvent.BLOCK_REDSTONE_TORCH_BURNOUT, Sound.Source.AMBIENT, 1f, 0.7f), Sound.Emitter.self());
+                player.playSound(Sound.sound(SoundEvent.BLOCK_LEVER_CLICK, Sound.Source.AMBIENT, 0.8f, 0.5f), Sound.Emitter.self());
+            });
+            return;
+        }
+
+        this.blackoutSecondsLeft--;
+        if(this.blackoutSecondsLeft <= 0) runtime.setBlackoutActive(false);
+    }
+
+    @Override
+    public AmbienceProfile ambience() {
+        return new AmbienceProfile(
+            SoundEvent.AMBIENT_BASALT_DELTAS_LOOP,
+            0.2f,
+            0.6f,
+            12,
+            List.of(SoundEvent.BLOCK_POINTED_DRIPSTONE_DRIP_WATER, SoundEvent.BLOCK_IRON_DOOR_CLOSE),
+            0.02
+        );
+    }
+}
@@ -0,0 +1,110 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.impl;
+
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.BackroomsGame;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.ambience.AmbienceProfile;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelDefinition;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelLayout;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelPalette;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelRuntime;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelType;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.TransitionType;
+import net.kyori.adventure.sound.Sound;
+import net.minestom.server.coordinate.Pos;
+import net.minestom.server.entity.Player;
+import net.minestom.server.instance.block.Block;
+import net.minestom.server.sound.SoundEvent;
+
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Level 6 "Lights Out": absolute Dunkelheit, keine einzige Lichtquelle, keine Monster —
+ * Level 6 ist gefaehrlich, weil NICHTS da ist. Navigation nur ueber einen periodischen
+ * Audio-Ping, der von der Exit-Position ausgeht.
+ */
+public class LevelLightsOut extends LevelDefinition {
+    private int pingSeconds = 0;
+    private static final int PING_PERIOD_SECONDS = 4;
+    private static final double HEARTBEAT_CHANCE = 0.25;
+
+    private static final LevelPalette PALETTE = new LevelPalette(
+        List.of(Block.SMOOTH_BASALT, Block.BLACK_CONCRETE, Block.SCULK),
+        List.of(Block.POLISHED_BLACKSTONE, Block.SMOOTH_BASALT),
+        List.of(Block.SMOOTH_BASALT),
+        Block.SEA_LANTERN,
+        Block.POLISHED_BLACKSTONE,
+        3,
+        Block.SCULK,
+        false,
+        List.of(Block.SCULK_SENSOR, Block.SCULK_SENSOR, Block.SCULK_CATALYST),
+        0.012,
+        List.of(),
+        0
+    );
+
+    @Override
+    public LevelType type() {
+        return LevelType.LIGHTS_OUT;
+    }
+
+    @Override
+    public LevelLayout buildLayout(Random rnd, int cells, int playerCount) {
+        LevelLayout layout = this.standardLayout(rnd, cells, playerCount, 0.25, cells / 4, 4, 1);
+
+        // Das gesamte Level liegt in Dunkelheit; saemtliche Deckenlichter entfallen
+        for(int x = 0; x < cells; x++) {
+            for(int z = 0; z < cells; z++) {
+                layout.setDark(x, z, true);
+            }
+        }
+        layout.getLightCells().clear();
+
+        return layout;
+    }
+
+    @Override
+    public boolean permanentDarkness() {
+        return true;
+    }
+
+    @Override
+    public LevelPalette palette() {
+        return PALETTE;
+    }
+
+    @Override
+    public TransitionType transitionType() {
+        return TransitionType.HOLE;
+    }
+
+    /** Audio-Navigation: alle 4 s ein positionsgebundener Shriek vom Exit aus. */
+    @Override
+    public void onLevelTick(BackroomsGame game, LevelRuntime runtime) {
+        this.pingSeconds++;
+        if(this.pingSeconds % PING_PERIOD_SECONDS != 0) return;
+
+        Pos exit = runtime.toPlayerPos(runtime.getLayout().getExitCell());
+        boolean heartbeat = runtime.getRnd().nextDouble() < HEARTBEAT_CHANCE;
+        for(Player player : runtime.playersInLevel()) {
+            player.playSound(
+                Sound.sound(SoundEvent.BLOCK_SCULK_SHRIEKER_SHRIEK, Sound.Source.AMBIENT, 1.5f, 1f),
+                exit.x(), exit.y(), exit.z()
+            );
+            if(heartbeat) {
+                player.playSound(Sound.sound(SoundEvent.ENTITY_WARDEN_HEARTBEAT, Sound.Source.AMBIENT, 0.3f, 0.9f), Sound.Emitter.self());
+            }
+        }
+    }
+
+    @Override
+    public AmbienceProfile ambience() {
+        return new AmbienceProfile(
+            SoundEvent.AMBIENT_CAVE,
+            0.4f,
+            0.7f,
+            20,
+            List.of(SoundEvent.BLOCK_SCULK_SENSOR_CLICKING, SoundEvent.ENTITY_WARDEN_NEARBY_CLOSE),
+            0.04
+        );
+    }
+}
@@ -0,0 +1,206 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.impl;
+
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.BackroomsGame;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.ambience.AmbienceProfile;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.generator.MazeAlgorithms;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelDefinition;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelLayout;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelPalette;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelRuntime;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelType;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.TransitionType;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.BackroomsMonster;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Clump;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Deathmoth;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Hound;
+import net.kyori.adventure.sound.Sound;
+import net.minestom.server.instance.block.Block;
+import net.minestom.server.sound.SoundEvent;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Level 2 "Pipe Dreams": enge, niedrige Industrietunnel voller Rohre und Maschinen.
+ * Fast reines Labyrinth mit verstreuten Maschinenbloecken. Event "Serienschaltung":
+ * regelmaessig faellt ein zusammenhaengendes Drittel der Deckenbeleuchtung aus.
+ */
+public class LevelPipeDreams extends LevelDefinition {
+    private static final double MACHINE_RATIO = 0.03;
+
+    /** aktuell ausgefallenes Licht-Segment (-1 = keins) und Restdauer */
+    private int failedSegment = -1;
+    private int eventSeconds = 0;
+    private static final int LIGHT_FAIL_PERIOD_SECONDS = 45;
+    private static final int LIGHT_FAIL_DURATION_SECONDS = 8;
+
+    private static final LevelPalette PALETTE = new LevelPalette(
+        List.of(Block.MUD_BRICKS, Block.PACKED_MUD),
+        List.of(Block.MUD_BRICKS, Block.DEEPSLATE_BRICKS, Block.BROWN_TERRACOTTA),
+        List.of(Block.DEEPSLATE_TILES),
+        Block.SHROOMLIGHT,
+        Block.OXIDIZED_COPPER,
+        3,
+        Block.EXPOSED_COPPER,
+        false,
+        List.of(Block.COBWEB, Block.IRON_BARS),
+        0.01,
+        List.of(Block.OXIDIZED_COPPER_CHAIN, Block.LANTERN.withProperty("hanging", "true")),
+        0.02
+    );
+
+    @Override
+    public LevelType type() {
+        return LevelType.PIPE_DREAMS;
+    }
+
+    @Override
+    public LevelLayout buildLayout(Random rnd, int cells, int playerCount) {
+        LevelLayout layout = this.standardLayout(rnd, cells, playerCount, 0.1, 2, 3, 2);
+
+        // "Maschinen": verstreute PILLAR-Zellen, aber nur wenn sie keine Wege abschneiden
+        List<int[]> floorCells = new ArrayList<>();
+        for(int x = 1; x < cells - 1; x++) {
+            for(int z = 1; z < cells - 1; z++) {
+                if(layout.cellAt(x, z) != LevelLayout.Cell.FLOOR || Cells.reserved(layout, x, z)) continue;
+                // Nie vor der Schluesseltuer oder an der Exit-Kammer: die DOOR-Zelle ist nicht
+                // begehbar, der disconnects-Check wuerde eine Blockade dort nicht bemerken
+                if(MazeAlgorithms.isChamberProtected(layout, x, z)) continue;
+                if(this.nextToDoor(layout, x, z)) continue;
+                floorCells.add(new int[]{x, z});
+            }
+        }
+        Collections.shuffle(floorCells, rnd);
+        int target = (int) Math.round(floorCells.size() * MACHINE_RATIO);
+        int placed = 0;
+        for(int[] cell : floorCells) {
+            if(placed >= target) break;
+            layout.setCell(cell[0], cell[1], LevelLayout.Cell.PILLAR);
+            if(this.disconnects(layout)) {
+                layout.setCell(cell[0], cell[1], LevelLayout.Cell.FLOOR);
+                continue;
+            }
+            Cells.removeLight(layout, cell[0], cell[1]);
+            placed++;
+        }
+
+        return layout;
+    }
+
+    private boolean nextToDoor(LevelLayout layout, int cx, int cz) {
+        return layout.cellAt(cx + 1, cz) == LevelLayout.Cell.DOOR
+            || layout.cellAt(cx - 1, cz) == LevelLayout.Cell.DOOR
+            || layout.cellAt(cx, cz + 1) == LevelLayout.Cell.DOOR
+            || layout.cellAt(cx, cz - 1) == LevelLayout.Cell.DOOR;
+    }
+
+    /** Prueft per BFS, ob alle begehbaren Zellen (ausser der abgeschlossenen Exit-Kammer) verbunden bleiben. */
+    private boolean disconnects(LevelLayout layout) {
+        int[][] distances = MazeAlgorithms.bfsDistances(layout, layout.getSpawnCells().getFirst());
+        for(int x = 0; x < layout.getCells(); x++) {
+            for(int z = 0; z < layout.getCells(); z++) {
+                if(!layout.isWalkable(x, z)) continue;
+                if(layout.cellAt(x, z) == LevelLayout.Cell.EXIT) continue;
+                if(distances[x][z] < 0) return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public LevelPalette palette() {
+        return PALETTE;
+    }
+
+    @Override
+    public TransitionType transitionType() {
+        return TransitionType.GLITCH_FLOOR;
+    }
+
+    @Override
+    public boolean usesKeyDoor() {
+        return true;
+    }
+
+    @Override
+    public void populateMonsters(BackroomsGame game, LevelRuntime runtime, int density) {
+        LevelLayout layout = runtime.getLayout();
+
+        // Clumps lauern an Ecken (genau zwei orthogonal offene Richtungen)
+        List<int[]> corners = Cells.far(layout, runtime.getRnd(), (2 + density) * Cells.areaScale(layout), (x, z) -> Cells.openOrthogonal(layout, x, z) == 2);
+        for(int[] cell : corners) {
+            Clump clump = new Clump(runtime);
+            clump.spawnAtCell(game, cell);
+            runtime.getMonsters().add(clump);
+        }
+
+        // Hounds meiden die Clump-Zellen — sonst stapeln sich beide Populationen
+        for(int[] cell : Cells.far(layout, runtime.getRnd(), density * Cells.areaScale(layout),
+            (x, z) -> corners.stream().noneMatch(corner -> Math.abs(corner[0] - x) + Math.abs(corner[1] - z) < 4))) {
+            Hound hound = new Hound(runtime);
+            hound.spawnAtCell(game, cell);
+            runtime.getMonsters().add(hound);
+        }
+    }
+
+    /** Nachschub: Clumps an Ecken, sonst Hounds. */
+    @Override
+    public BackroomsMonster createRoamingMonster(LevelRuntime runtime, int[] cell) {
+        LevelLayout layout = runtime.getLayout();
+        if(Cells.openOrthogonal(layout, cell[0], cell[1]) == 2) return new Clump(runtime);
+        return runtime.getRnd().nextInt(100) < 60 ? new Hound(runtime) : new Deathmoth(runtime);
+    }
+
+    /** "Serienschaltung": ca. alle 45 s faellt ein Drittel der Lichter fuer ~8 s aus. */
+    @Override
+    public void onLevelTick(BackroomsGame game, LevelRuntime runtime) {
+        if(this.failedSegment < 0) {
+            this.eventSeconds++;
+            if(this.eventSeconds < LIGHT_FAIL_PERIOD_SECONDS) return;
+
+            int segment = runtime.getRnd().nextInt(3);
+            this.failedSegment = segment;
+            this.eventSeconds = LIGHT_FAIL_DURATION_SECONDS;
+            this.setSegmentLights(game, runtime, segment, Block.DEEPSLATE_TILES);
+            runtime.playersInLevel().forEach(player ->
+                player.playSound(Sound.sound(SoundEvent.BLOCK_REDSTONE_TORCH_BURNOUT, Sound.Source.AMBIENT, 1f, 0.6f), Sound.Emitter.self()));
+            return;
+        }
+
+        this.eventSeconds--;
+        if(this.eventSeconds > 0) return;
+        this.setSegmentLights(game, runtime, this.failedSegment, PALETTE.light());
+        this.failedSegment = -1;
+        this.eventSeconds = 0;
+    }
+
+    /** Setzt die Deckenbloecke eines nach x sortierten Drittels aller Lichtzellen. */
+    private void setSegmentLights(BackroomsGame game, LevelRuntime runtime, int segment, Block block) {
+        LevelLayout layout = runtime.getLayout();
+        List<int[]> lights = new ArrayList<>(layout.getLightCells());
+        lights.sort(Comparator.comparingInt(cell -> cell[0]));
+
+        int from = segment * lights.size() / 3;
+        int to = segment == 2 ? lights.size() : (segment + 1) * lights.size() / 3;
+        int ceilingY = runtime.getBaseY() + 2 + PALETTE.roomHeight();
+        for(int i = from; i < to; i++) {
+            int[] cell = lights.get(i);
+            game.setBlock(layout.worldX(cell[0]) + 1, ceilingY, layout.worldZ(cell[1]) + 1, block);
+        }
+    }
+
+    @Override
+    public AmbienceProfile ambience() {
+        return new AmbienceProfile(
+            SoundEvent.AMBIENT_NETHER_WASTES_LOOP,
+            0.25f,
+            0.5f,
+            15,
+            List.of(SoundEvent.BLOCK_ANVIL_LAND, SoundEvent.BLOCK_LAVA_POP),
+            0.02
+        );
+    }
+}
@@ -0,0 +1,182 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.impl;
+
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.BackroomsGame;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.ambience.AmbienceProfile;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelDefinition;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelLayout;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelPalette;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelRuntime;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelType;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.TransitionType;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.generator.MazeAlgorithms;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.BackroomsMonster;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.monster.Hound;
+import net.kyori.adventure.sound.Sound;
+import net.minestom.server.coordinate.Pos;
+import net.minestom.server.entity.Player;
+import net.minestom.server.instance.block.Block;
+import net.minestom.server.network.packet.server.play.ParticlePacket;
+import net.minestom.server.particle.Particle;
+import net.minestom.server.sound.SoundEvent;
+
+import java.util.List;
+import java.util.Random;
+
+/**
+ * "The Poolrooms": halb geflutete, weisse Fliesenhallen mit hohen Decken und
+ * grossen Wasserbecken — die Verschnaufpause zwischen den gefaehrlichen Ebenen.
+ * Ausgang: ein Abfluss (Loch) am Beckengrund.
+ */
+public class LevelPoolrooms extends LevelDefinition {
+    private static final LevelPalette PALETTE = new LevelPalette(
+        List.of(Block.QUARTZ_BLOCK, Block.WHITE_CONCRETE),
+        List.of(Block.QUARTZ_BLOCK, Block.WHITE_GLAZED_TERRACOTTA, Block.WHITE_CONCRETE),
+        List.of(Block.SMOOTH_QUARTZ),
+        Block.SEA_LANTERN,
+        Block.QUARTZ_PILLAR,
+        6,
+        Block.WHITE_GLAZED_TERRACOTTA,
+        true,
+        List.of(),
+        0,
+        List.of(),
+        0
+    );
+
+    @Override
+    public LevelType type() {
+        return LevelType.POOLROOMS;
+    }
+
+    @Override
+    public LevelLayout buildLayout(Random rnd, int cells, int playerCount) {
+        LevelLayout layout = this.openLayout(rnd, cells, playerCount, cells / 4, 2);
+
+        // 3-5 grosse rechteckige Wasserbecken; das erste ist doppelt tief
+        int pools = 3 + rnd.nextInt(3);
+        for(int i = 0; i < pools; i++) {
+            int width = 4 + rnd.nextInt(5);
+            int depth = 4 + rnd.nextInt(5);
+            int startX = 1 + rnd.nextInt(Math.max(1, cells - width - 2));
+            int startZ = 1 + rnd.nextInt(Math.max(1, cells - depth - 2));
+            LevelLayout.Cell poolType = i == 0 ? LevelLayout.Cell.DEEP_WATER : LevelLayout.Cell.WATER;
+            for(int x = startX; x < startX + width; x++) {
+                for(int z = startZ; z < startZ + depth; z++) {
+                    if(layout.cellAt(x, z) != LevelLayout.Cell.FLOOR) continue;
+                    if(Cells.reserved(layout, x, z)) continue;
+                    layout.setCell(x, z, poolType);
+                }
+            }
+        }
+
+        // Kupfer-Leitungsstraenge unter der Decke, quer durch die Hallen — mit Undichtigkeiten
+        int ducts = 3 + rnd.nextInt(3);
+        for(int i = 0; i < ducts; i++) {
+            boolean alongX = rnd.nextBoolean();
+            int fixed = 3 + rnd.nextInt(cells - 6);
+            for(int j = 2; j < cells - 2; j++) {
+                int x = alongX ? j : fixed;
+                int z = alongX ? fixed : j;
+                if(layout.cellAt(x, z) != LevelLayout.Cell.FLOOR) continue;
+                if(Cells.reserved(layout, x, z)) continue;
+                if(MazeAlgorithms.isChamberProtected(layout, x, z)) continue;
+                // ~8% der Leitungszellen sind undicht — dort laeuft das Wasser heraus
+                layout.setCell(x, z, rnd.nextInt(100) < 8 ? LevelLayout.Cell.LEAK : LevelLayout.Cell.PIPE);
+            }
+        }
+        layout.getLightCells().removeIf(cell -> {
+            LevelLayout.Cell type = layout.cellAt(cell[0], cell[1]);
+            return type == LevelLayout.Cell.PIPE || type == LevelLayout.Cell.LEAK;
+        });
+
+        // Abfluss: Wasser stroemt ringfoermig auf das Exit-Loch zu — die Rutsche nach unten
+        int[] exit = layout.getExitCell();
+        if(exit != null) {
+            for(int dx = -1; dx <= 1; dx++) {
+                for(int dz = -1; dz <= 1; dz++) {
+                    if(dx == 0 && dz == 0) continue;
+                    if(layout.cellAt(exit[0] + dx, exit[1] + dz) != LevelLayout.Cell.FLOOR) continue;
+                    layout.setCell(exit[0] + dx, exit[1] + dz, LevelLayout.Cell.WATER);
+                }
+            }
+        }
+
+        // Dampf-Ventile: an zufaelligen Leitungs- und Beckenraendern zischt es
+        for(int i = 0; i < cells / 5; i++) {
+            int x = 2 + rnd.nextInt(cells - 4);
+            int z = 2 + rnd.nextInt(cells - 4);
+            LevelLayout.Cell type = layout.cellAt(x, z);
+            if(type == LevelLayout.Cell.PIPE || type == LevelLayout.Cell.LEAK || type == LevelLayout.Cell.WATER) {
+                layout.getMarkerCells().add(new int[]{x, z});
+            }
+        }
+
+        // 1-2 kleine dunkle Ecken
+        Cells.darkBlobs(layout, rnd, 1 + rnd.nextInt(2), 2, 3);
+
+        return layout;
+    }
+
+    @Override
+    public LevelPalette palette() {
+        return PALETTE;
+    }
+
+    @Override
+    public TransitionType transitionType() {
+        return TransitionType.HOLE;
+    }
+
+    /** Dampf-Ventile: Wolkenpartikel + Zischen an den Markern in Spielernaehe. */
+    @Override
+    public void onLevelTick(BackroomsGame game, LevelRuntime runtime) {
+        LevelLayout layout = runtime.getLayout();
+        List<Player> players = runtime.playersInLevel();
+        for(int[] vent : layout.getMarkerCells()) {
+            Pos ventPos = runtime.toPlayerPos(vent);
+            for(Player player : players) {
+                if(player.getPosition().distance(ventPos) > 28) continue;
+                player.sendPacket(new ParticlePacket(
+                    Particle.CLOUD,
+                    ventPos.x(), ventPos.y() + 2.5, ventPos.z(),
+                    0.3f, 0.6f, 0.3f, 0.02f, 6
+                ));
+                if(runtime.getRnd().nextInt(100) < 12) {
+                    player.playSound(
+                        Sound.sound(SoundEvent.BLOCK_LAVA_EXTINGUISH, Sound.Source.AMBIENT, 0.4f, 1.6f),
+                        ventPos.x(), ventPos.y(), ventPos.z()
+                    );
+                }
+            }
+        }
+    }
+
+    /** Die Poolrooms sind bewusst fast leer — erst bei maximaler Dichte streift ein Hound umher. */
+    @Override
+    public void populateMonsters(BackroomsGame game, LevelRuntime runtime, int density) {
+        if(density < 3) return;
+        for(int[] cell : Cells.farWalkable(runtime.getLayout(), runtime.getRnd(), 1)) {
+            Hound hound = new Hound(runtime);
+            hound.spawnAtCell(game, cell);
+            runtime.getMonsters().add(hound);
+        }
+    }
+
+    /** Die Poolrooms bleiben ueberwiegend friedlich — nur selten verirrt sich ein Hound hierher. */
+    @Override
+    public BackroomsMonster createRoamingMonster(LevelRuntime runtime, int[] cell) {
+        return runtime.getRnd().nextInt(100) < 20 ? new Hound(runtime) : null;
+    }
+
+    @Override
+    public AmbienceProfile ambience() {
+        return new AmbienceProfile(
+            SoundEvent.AMBIENT_UNDERWATER_LOOP,
+            0.3f,
+            1f,
+            10,
+            List.of(SoundEvent.BLOCK_POINTED_DRIPSTONE_DRIP_WATER, SoundEvent.ENTITY_DOLPHIN_AMBIENT_WATER),
+            0.03
+        );
+    }
+}
@@ -0,0 +1,199 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.loot;
+
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.BackroomsGame;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.ambience.Jumpscare;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.item.BackroomsItems;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelLayout;
+import eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.level.LevelRuntime;
+import net.kyori.adventure.sound.Sound;
+import net.minestom.server.coordinate.BlockVec;
+import net.minestom.server.coordinate.Point;
+import net.minestom.server.coordinate.Pos;
+import net.minestom.server.network.packet.server.play.BlockChangePacket;
+import net.minestom.server.entity.Player;
+import net.minestom.server.event.player.PlayerBlockInteractEvent;
+import net.minestom.server.instance.block.Block;
+import net.minestom.server.item.ItemStack;
+import net.minestom.server.sound.SoundEvent;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.UUID;
+
+/**
+ * Loot-Kisten (Barrels):
+ * - Normale Kisten sind einmal pluenderbar und verschwinden. Der Loot haengt vom
+ *   Inventar ab — wer schon viel Almond Water traegt, findet kaum noch welches;
+ *   wer generell voll ist, findet hoechstens noch den Schluessel.
+ * - In Key-Door-Leveln kann JEDE Kiste mit etwas Glueck den Level Key enthalten
+ *   (solange die Tuer zu ist und der Spieler noch keinen hat); die dedizierte
+ *   Schluessel-Kiste gibt ihn jedem Spieler garantiert einmal.
+ */
+public class ChestManager {
+    private static final int RANDOM_KEY_CHANCE_PERCENT = 10;
+    private static final int RANDOM_COMPASS_CHANCE_PERCENT = 10;
+
+    private final BackroomsGame game;
+    private final Map<Point, Integer> chestLevels = new HashMap<>();
+    private final Map<Point, Integer> keyChestLevels = new HashMap<>();
+    private final Map<Point, Set<UUID>> keyChestLooters = new HashMap<>();
+    private final Map<Point, Set<UUID>> chestLooters = new HashMap<>();
+
+    public ChestManager(BackroomsGame game) {
+        this.game = game;
+
+        for(LevelRuntime level : game.getLevels()) {
+            int chestY = level.getBaseY() + 2;
+            level.getLayout().getChestCells().forEach(cell ->
+                this.chestLevels.put(this.blockPos(level, cell, chestY), level.getIndex())
+            );
+            if(level.getLayout().getKeyChestCell() != null) {
+                this.keyChestLevels.put(this.blockPos(level, level.getLayout().getKeyChestCell(), chestY), level.getIndex());
+            }
+        }
+    }
+
+    private Point blockPos(LevelRuntime level, int[] cell, int y) {
+        Pos center = level.toPlayerPos(cell);
+        return new Pos(center.blockX(), y, center.blockZ());
+    }
+
+    public void onInteract(PlayerBlockInteractEvent event) {
+        if(!event.getBlock().compare(Block.BARREL)) return;
+        Point position = new Pos(event.getBlockPosition().blockX(), event.getBlockPosition().blockY(), event.getBlockPosition().blockZ());
+        Player player = event.getPlayer();
+
+        Integer keyLevel = this.keyChestLevels.get(position);
+        if(keyLevel != null && !this.game.isDoorOpened(keyLevel)) {
+            event.setCancelled(true);
+            event.setBlockingItemUse(true);
+            Set<UUID> looters = this.keyChestLooters.computeIfAbsent(position, unused -> new HashSet<>());
+            if(!looters.add(player.getUuid())) {
+                player.playSound(Sound.sound(SoundEvent.BLOCK_CHEST_LOCKED, Sound.Source.BLOCK, 0.8f, 0.9f), position.x(), position.y(), position.z());
+                return;
+            }
+            this.giveKey(player, keyLevel);
+            player.playSound(Sound.sound(SoundEvent.BLOCK_BARREL_OPEN, Sound.Source.BLOCK, 1f, 0.8f), position.x(), position.y(), position.z());
+            this.hideChestFor(player, position);
+            return;
+        }
+
+        Integer chestLevel = keyLevel != null ? keyLevel : this.chestLevels.get(position);
+        if(chestLevel == null) return;
+
+        event.setCancelled(true);
+        event.setBlockingItemUse(true);
+
+        // Kisten sind per Spieler pluenderbar — niemand nimmt anderen den Loot weg
+        Set<UUID> looters = this.chestLooters.computeIfAbsent(position, unused -> new HashSet<>());
+        if(!looters.add(player.getUuid())) {
+            // Falls der Chunk neu gesendet wurde und der Barrel wieder aufgetaucht ist: erneut ausblenden
+            this.hideChestFor(player, position);
+            return;
+        }
+
+        List<ItemStack> loot = this.rollFor(player, chestLevel);
+        loot.forEach(item -> player.getInventory().addItemStack(item));
+
+        SoundEvent sound = loot.isEmpty() ? SoundEvent.BLOCK_BARREL_CLOSE : SoundEvent.BLOCK_BARREL_OPEN;
+        player.playSound(Sound.sound(sound, Sound.Source.BLOCK, 1f, 0.8f), position.x(), position.y(), position.z());
+        this.hideChestFor(player, position);
+
+        // Kisten sind ein guter Jumpscare-Anker: kleine Chance auf einen Sound-Scare
+        if(this.game.rnd().nextInt(100) < 20) {
+            Jumpscare.sound(player, this.game.rnd());
+        }
+    }
+
+    /**
+     * Blendet die gepluenderte Kiste NUR fuer diesen Spieler aus — der Serverblock
+     * bleibt, alle anderen sehen den Barrel weiter.
+     */
+    private void hideChestFor(Player player, Point position) {
+        player.sendPacket(new BlockChangePacket(new BlockVec(position.blockX(), position.blockY(), position.blockZ()), Block.AIR));
+    }
+
+    /**
+     * Inventarabhaengiger Loot. In Key-Door-Leveln sind Key (10 %) und Tuerkompass (10 %)
+     * getrennt voneinander findbar — beides maximal einmal pro Spieler.
+     */
+    private List<ItemStack> rollFor(Player player, int levelIndex) {
+        List<ItemStack> result = new ArrayList<>();
+
+        LevelRuntime level = this.game.getLevels().get(levelIndex);
+        boolean doorRelevant = level.getDefinition().usesKeyDoor() && !this.game.isDoorOpened(levelIndex);
+        if(doorRelevant && !BackroomsItems.hasMatching(player, item -> BackroomsItems.isKeyFor(item, levelIndex)) && this.game.rnd().nextInt(100) < RANDOM_KEY_CHANCE_PERCENT) {
+            result.add(BackroomsItems.levelKey(levelIndex));
+        }
+        if(doorRelevant && !this.hasCompassFor(player, levelIndex) && this.game.rnd().nextInt(100) < RANDOM_COMPASS_CHANCE_PERCENT) {
+            ItemStack compass = this.createCompass(levelIndex);
+            if(compass != null) result.add(compass);
+        }
+
+        int almond = BackroomsItems.count(player, BackroomsItems.ALMOND_WATER);
+        int energy = BackroomsItems.count(player, BackroomsItems.ENERGY_BAR);
+        int carried = almond + energy;
+
+        // Randvolles Inventar: die Backrooms geben dir nichts mehr — hoechstens Key/Kompass
+        if(carried >= 16) return result;
+
+        LootTable table = new LootTable();
+        int almondWeight = Math.max(0, 5 - almond);
+        int energyWeight = Math.max(1, 10 - energy);
+        if(almondWeight > 0) table.add(BackroomsItems::almondWater, almondWeight);
+        table.add(BackroomsItems::energyBar, energyWeight);
+        table.add(() -> ItemStack.AIR, 4);
+        result.addAll(table.roll(this.game.rnd()));
+
+        return result;
+    }
+
+    private void giveKey(Player player, int levelIndex) {
+        player.getInventory().addItemStack(BackroomsItems.levelKey(levelIndex));
+        player.getInventory().addItemStack(BackroomsItems.almondWater());
+    }
+
+    private ItemStack createCompass(int levelIndex) {
+        Point doorPosition = this.doorPositionOf(levelIndex);
+        if(doorPosition == null) return null;
+        return BackroomsItems.doorCompass(levelIndex, this.game.getDimensionName(), doorPosition);
+    }
+
+    /** Nach dem Tueroeffnen: alle Nachzuegler bekommen automatisch einen Kompass zur offenen Tuer. */
+    public void giveCompassIfMissing(Player player, int levelIndex) {
+        if(this.hasCompassFor(player, levelIndex)) return;
+        ItemStack compass = this.createCompass(levelIndex);
+        if(compass != null) player.getInventory().addItemStack(compass);
+    }
+
+
+    private Point doorPositionOf(int levelIndex) {
+        LevelRuntime level = this.game.getLevels().get(levelIndex);
+        LevelLayout layout = level.getLayout();
+        int[] door = layout.getDoorCell();
+        if(door != null) {
+            return new Pos(layout.worldX(door[0]) + 1, level.getBaseY() + 2, layout.worldZ(door[1]) + 1);
+        }
+        // Fallback (Finale-Seitentueren setzen kein doorCell): erste DOOR-Zelle suchen
+        for(int cx = 0; cx < layout.getCells(); cx++) {
+            for(int cz = 0; cz < layout.getCells(); cz++) {
+                if(layout.cellAt(cx, cz) == LevelLayout.Cell.DOOR) {
+                    return new Pos(layout.worldX(cx) + 1, level.getBaseY() + 2, layout.worldZ(cz) + 1);
+                }
+            }
+        }
+        return null;
+    }
+
+    private boolean hasCompassFor(Player player, int levelIndex) {
+        return BackroomsItems.hasMatching(player, item ->
+            BackroomsItems.is(item, BackroomsItems.DOOR_COMPASS)
+                && Integer.valueOf(levelIndex).equals(item.getTag(BackroomsItems.KEY_LEVEL_TAG)));
+    }
+
+
+}
@@ -0,0 +1,43 @@
+package eu.mhsl.minenet.minigames.instance.game.stateless.types.backrooms.loot;
+
+import net.minestom.server.item.ItemStack;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+import java.util.function.Supplier;
+
+/**
+ * Gewichtete Loot-Tabelle; eine Kiste liefert 1-2 Wuerfe.
+ */
+public class LootTable {
+    private record Entry(Supplier<ItemStack> item, int weight) {
+    }
+
+    private final List<Entry> entries = new ArrayList<>();
+    private int totalWeight = 0;
+
+    public LootTable add(Supplier<ItemStack> item, int weight) {
+        this.entries.add(new Entry(item, weight));
+        this.totalWeight += weight;
+        return this;
+    }
+
+    public List<ItemStack> roll(Random rnd) {
+        List<ItemStack> result = new ArrayList<>();
+        int rolls = 1 + rnd.nextInt(2);
+        for(int i = 0; i < rolls; i++) {
+            int roll = rnd.nextInt(this.totalWeight);
+            for(Entry entry : this.entries) {
+                roll -= entry.weight();
+                if(roll < 0) {
+                    ItemStack item = entry.item().get();
+                    if(!item.isAir()) result.add(item);
+                    break;
+                }
+            }
+        }
+        return result;
+    }
+
+}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
MineTec	8a9f3a8ad0	added Bacteria monster to Backrooms game with camouflage mechanics, lure sounds, and sprinting behavior	2026-08-15 16:10:12 +02:00
MineTec	817693239b	refactored Backrooms game to introduce modular game systems, procedural generation, and enhanced mechanics	2026-08-09 22:05:44 +02:00
MineTec	26eff149d4	removed deprecated use of old DimensionType constructor and updated map file paths accordingly	2026-08-09 12:35:05 +02:00
jannis	7734b225eb	Merge pull request 'added playerrace and updated to version 26.2' (#14 ) from develop-jannis into develop Reviewed-on: #14 Reviewed-by: Lars Neuhaus <larslukasneuhaus@gmx.de>	2026-07-31 20:04:15 +00:00
Pupsi	1a9b9f5fd2	added return to player race position check	2026-07-31 13:28:27 +02:00
jannis	b0cf527977	removed unnecessary comments	2026-07-29 15:59:08 +02:00
jannis	01646546a3	fixen issues with playerrace and changed the item selection in pillars	2026-07-26 22:03:11 +02:00
jannis	13a0cdde3a	changed gametype of playerrace to jumpnrun and changed symbol to dirt path in playerrace	2026-07-20 21:12:33 +02:00
jannis	7d60c74d85	fixed generation ofo elytrarace	2026-07-20 13:47:25 +02:00
MineTec	0d7f1fc646	updated dependencies and updated all usages accordingly, replaced deprecated methods, and updated project to JDK 25	2026-07-19 19:37:44 +02:00
jannis	ee421245d1	added translations	2026-07-19 01:50:34 +02:00
jannis	d75332927c	fixed that something can generate twice in playerrace	2026-07-19 01:31:53 +02:00
jannis	2c579f4afe	fixen generating problem and finished logic of playerrace	2026-07-19 01:11:56 +02:00
jannis	82984cf5cf	added LadderWall2 and added checkpoints	2026-07-19 00:16:12 +02:00
MineTec	14f6a38212	merged origin/develop-jannis	2026-07-18 22:15:03 +02:00
MineTec	3bdc4113c0	added 20 obstacle types, adjustable track length and forked obstacle generation	2026-07-18 22:14:29 +02:00
jannis	b7e292fe0e	added LadderWall	2026-07-18 21:35:00 +02:00
Pupsi	57cd5acdfd	added cos function to mudpit	2026-07-18 18:57:33 +02:00
Pupsi	0f72b8049d	simplified block loop from generator	2026-07-18 18:07:20 +02:00
jannis	9992b07ed5	added basic obstacle mechanic	2026-07-18 17:41:45 +02:00
jannis	f55148203e	started player race	2026-07-18 15:15:29 +02:00
jannis	41753f2805	Merge pull request 'Finalized ColorJump' (#13 ) from develop-jannis into develop Reviewed-on: #13 Reviewed-by: Lars Neuhaus <larslukasneuhaus@gmx.de>	2026-07-15 16:15:14 +00:00
jannis	9bdb98cdc9	other way for the effective-final	2026-07-13 16:34:07 +02:00
jannis	6f0ebe4d12	moved colorjump from prototype to jumpnrun	2026-07-13 10:40:58 +02:00
jannis	58983be156	removed off-hand swap in colorjump	2026-07-13 10:30:34 +02:00
jannis	ee7d434d7e	perfectet colorjump timer, cancelled inventory movement	2026-02-16 22:28:32 +01:00
jannis	410f7b4027	perfekted colorjump	2026-02-16 21:07:30 +01:00
jannis	e1515200ab	stoped task at game end	2026-02-11 20:56:26 +01:00
jannis	27005f4fc4	Merge pull request 'added color jump' (#12 ) from develop-colorjump into develop Reviewed-on: #12 Reviewed-by: Lars Neuhaus <larslukasneuhaus@gmx.de>	2026-02-10 20:24:17 +00:00
jannis	2808393c23	solved pr comments	2026-02-10 21:22:32 +01:00
jannis	d0825695b3	added an end to color jump	2026-02-10 19:23:06 +01:00
jannis	e822a5c5e2	fixed translations for color jump	2026-02-10 19:17:37 +01:00
jannis	bf95c8dcc2	added translations to color jump	2026-02-10 19:12:36 +01:00
jannis	2f70b25e87	added ColorJump	2026-02-10 19:08:07 +01:00
Pupsi	cbec1ea7f8	Merge pull request 'develop-tetris-srs' (#11 ) from develop-tetris-srs into develop Reviewed-on: #11 Reviewed-by: Elias Müller <elias@elias-mueller.com>	2026-02-06 10:47:27 +00:00
Pupsi	c176cfaf2c	solved pr comments; switched from hard lock task to reset counter	2026-02-04 19:25:03 +01:00
Pupsi	56f56d48b6	added airborne lock timer reset	2026-02-03 19:22:33 +01:00
Pupsi	991e51bc10	fixed ground behavior for tetrominoes	2026-02-03 19:08:05 +01:00
Pupsi	ffba86ac41	removed cause of tetris collision bugs (yaw, pitch in Pos)	2026-02-03 17:18:28 +01:00
Pupsi	f95c670514	removed cause of tetris collision bugs (yaw, pitch in Pos)	2026-02-03 17:18:10 +01:00
Pupsi	0b3c757ce0	fixed srs rotations	2026-02-03 15:51:41 +01:00
Pupsi	76df6643db	added simplified SRS; not functional for I-Tetromino	2026-02-02 22:37:43 +01:00
jannis	7186b4dbea	Merge pull request 'added pillars and block battle' (#10 ) from develop-pillars into develop Reviewed-on: #10 Reviewed-by: Lars Neuhaus <larslukasneuhaus@gmx.de>	2026-02-02 19:09:44 +00:00
jannis	24d79d7a11	pull requestest changes	2026-02-02 20:04:55 +01:00
jannis	70fd5bafdb	updated Block Battle description	2026-02-02 18:19:45 +00:00
jannis	11ddd01470	pull requestest changes	2026-02-02 19:15:46 +01:00
jannis	7d5fb025bd	added setting, refactored code	2026-02-01 18:24:36 +01:00
jannis	05240660f2	added scores and translations	2026-02-01 17:37:37 +01:00
jannis	d0031b4ea5	added BlockBattle	2026-02-01 14:14:34 +01:00
jannis	360266339d	added pillars game	2026-01-23 20:26:04 +01:00
jannis	325fba2a53	Merge pull request 'added second option to game selection menu, finished stickfight(added timer to stick fight)' (#9 ) from develop-jannis into develop Reviewed-on: #9 Reviewed-by: Elias Müller <elias@elias-mueller.com>	2026-01-11 19:07:05 +00:00
jannis	e760cdb2c6	removed 0 add option seconds	2026-01-10 21:41:45 +01:00
jannis	c111c027ff	added second option to game selection menu, finished stickfight	2026-01-10 17:41:19 +01:00
Pupsi	73ab137ae4	Merge remote-tracking branch 'origin/develop' into develop	2026-01-10 16:29:26 +01:00
Pupsi	9a9e646288	fixed Tetris camera shake	2026-01-10 16:29:12 +01:00
jannis	728dc92fc8	Merge pull request 'elytra race fix boost ring 1' (#8 ) from develop-jannis into develop Reviewed-on: #8	2026-01-10 13:48:50 +00:00
jannis	2f8ff36e5e	Merge branch 'develop' into develop-jannis	2026-01-10 13:48:39 +00:00
jannis	5cb71c5c32	changed respawn height on first respawn in elytrarace added level indicator for stickfight	2026-01-10 14:47:57 +01:00
jannis	5ab42fde4b	Merge pull request 'added stick to inventory for stick fight' (#7 ) from develop-stickfight into develop Reviewed-on: #7 Reviewed-by: Elias Müller <elias@elias-mueller.com>	2026-01-10 13:10:26 +00:00
jannis	d5c2f06409	elytra race fix boost ring 1	2026-01-10 14:02:21 +01:00
jannis	1ff8cca7e9	added stick to inventory for stick fight	2026-01-10 00:41:24 +01:00
MineTec	47c40c4941	fixed winning condition in SpaceSnake	2026-01-07 15:06:12 +01:00
MineTec	d4a7fcada7	improved chat formatting by adding username colors and better separators	2026-01-02 02:26:56 +01:00
Pupsi	a0124f1bcb	Merge remote-tracking branch 'origin/develop' into develop	2025-12-28 18:53:52 +01:00
Pupsi	c79fbf3136	fixed tournament random order at the end	2025-12-28 18:53:14 +01:00
MineTec	660eb645e4	Merge remote-tracking branch 'origin/develop' into develop	2025-12-27 11:37:36 +01:00
MineTec	3c50aca1e8	updated reward API endpoint in PublishRewardCommand	2025-12-27 11:37:33 +01:00
Pupsi	865cdfa605	added gamemode change to survival on leaving tetris	2025-12-25 00:52:56 +01:00
Pupsi	fe88e3f921	added slowness to tetris	2025-12-24 13:20:05 +01:00
MineTec	5e94479949	updated locales file with enhanced Stickfight description and added BoatRace entry	2025-12-21 10:42:23 +01:00
MineTec	b15c9c97b0	finished boat race	2025-12-18 21:36:22 +01:00
MineTec	334e130cf6	fixed boat stuttering	2025-12-18 20:02:26 +01:00
MineTec	31385fbd7f	cleanup	2025-12-13 15:15:23 +01:00
MineTec	b1b1e24104	added BoatRace game with factory and updated GameList	2025-12-03 23:08:55 +01:00
Pupsi	294d4bde0d	added dashes to allowed characters in Languages	2025-10-16 22:09:29 +02:00
MineTec	8f6950f9af	configure IntelliJ project settings and add `.gitignore` for IDE and Gradle	2025-10-16 01:07:28 +02:00
MineTec	794dc1dbb1	reformatted project	2025-10-16 00:58:52 +02:00
Pupsi	cf0499df44	Merge pull request 'develop-fairScoreboard' (#4 ) from develop-fairScoreboard into develop Reviewed-on: #4 Reviewed-by: Elias Müller <elias@elias-mueller.com>	2025-10-15 22:25:34 +00:00
Pupsi	0b65a62016	Merge branch 'develop' into develop-fairScoreboard	2025-10-15 22:25:24 +00:00
MineTec	c301e775c9	added translation to all messages, ChatFormatHandler and new chat icons	2025-10-16 00:24:48 +02:00
MineTec	d083ca3e1a	fix: include '!' in regex for language file processing	2025-10-15 22:57:45 +02:00
Pupsi	50200b46ae	Merge pull request 'develop-turtleGame' (#6 ) from develop-turtleGame into develop Reviewed-on: #6 Reviewed-by: Elias Müller <elias@elias-mueller.com>	2025-10-15 20:21:27 +00:00
Pupsi	46a0f6e5be	Merge remote-tracking branch 'origin/develop-turtleGame' into develop-turtleGame	2025-10-15 22:20:14 +02:00
Pupsi	758c51a2e1	Merge remote-tracking branch 'origin/develop' into develop-turtleGame # Conflicts: # src/main/resources/lang/locales.map.csv	2025-10-15 22:19:39 +02:00
MineTec	fd3f51c018	Merge pull request 'added SpaceSnake' (#5 ) from develop-spaceSnake into develop Reviewed-on: #5 Reviewed-by: Lars Neuhaus <larslukasneuhaus@gmx.de>	2025-10-15 20:11:37 +00:00
MineTec	be6b6da68e	fix: prevent null instance in Turtle adaptView method	2025-10-15 22:01:10 +02:00
Pupsi	9f71523a07	lowered snack count	2025-10-15 21:56:48 +02:00
Pupsi	6d8c5ed917	solved pr comments	2025-10-15 21:33:17 +02:00
Pupsi	35dc924104	added null ckeck for boostTask and boostRefillTask	2025-10-15 21:30:11 +02:00
Pupsi	eff5e36987	solved some pr comments	2025-10-15 21:26:02 +02:00
Pupsi	9e2125cba3	Merge remote-tracking branch 'origin/develop' into develop-turtleGame # Conflicts: # src/main/resources/lang/locales.map.csv	2025-10-15 21:06:04 +02:00
MineTec	6076c0ca15	Refactored player state management in SpaceSnake and implemented endgame handling	2025-10-15 20:54:26 +02:00
MineTec	41028e3389	SpaceSnake displayBlock to Fallingblock powerup detection via boundingbox	2025-10-15 20:36:52 +02:00
MineTec	bc3f5f58a4	prevent diamond block as building block in SpaceSnake	2025-10-15 19:28:48 +02:00
MineTec	512805de05	Merge branch 'develop' into develop-spaceSnake	2025-10-15 00:52:30 +02:00
MineTec	9596800889	fixed extra space in lambda expression in SpaceSnake spawn calculation	2025-10-15 00:51:50 +02:00
MineTec	a8a15a1c7c	adjusted SpaceSnake spawn position and random bounds	2025-10-15 00:51:08 +02:00
MineTec	db78ff33ce	fixed typo in game name: renamed SNAKE3D to SPACESNAKE	2025-10-15 00:46:34 +02:00
MineTec	5bb07596a1	added SpaceSnake game and related assets	2025-10-15 00:42:11 +02:00
Pupsi	c4aaa7acf9	added flowers and grass to HeightTerrainGenerator	2025-10-11 15:17:23 +02:00
Pupsi	097438886c	added stickfight start and working length option	2025-10-11 12:22:50 +02:00
Pupsi	ae59482d7c	solved pr comment	2025-10-11 11:36:01 +02:00
Pupsi	123c01da14	added possibility for same scores Tournament	2025-10-11 01:07:40 +02:00
Pupsi	e871c0bcb5	added possibility for same scores in PointsWinScore	2025-10-11 00:19:02 +02:00
Pupsi	c3f5170c33	added random height variations for elytra race gates	2025-10-10 22:53:56 +02:00
Pupsi	90832aacd0	added some globalRestrictions	2025-10-10 16:56:26 +02:00
Pupsi	dccb57b056	added LowestPointsWinScore and Stickfight win condition	2025-10-10 16:15:02 +02:00
Pupsi	368356c739	fixed unbreakable snow in Spleef	2025-10-10 15:20:43 +02:00
Pupsi	14a7e0c25f	removed knockback for finished players in TrafficLightRace	2025-10-10 15:09:43 +02:00
Pupsi	398c3666e4	deathcube spectator mode when done	2025-10-10 12:00:12 +02:00
MineTec	96170e9486	Merge pull request 'added BlockBreakRace' (#3 ) from develop-blockBreakRace into develop Reviewed-on: #3 Reviewed-by: Lars Neuhaus <larslukasneuhaus@gmx.de>	2025-10-05 08:03:04 +00:00
MineTec	9a97b746bc	Merge branch 'develop' into develop-blockBreakRace	2025-10-05 08:02:56 +00:00
MineTec	a2afc49d20	refactored BlockBreakRace to show players all items before the game starts	2025-10-04 21:38:50 +02:00
MineTec	20b93cc9ae	added BlockBreakRace game and related assets	2025-10-04 21:34:40 +02:00