llama coaster: ride the catacombs coaster cart on a new track (loop or grand circuit with drops, climbs, boosts, spin pads and jumps), 1-3 laps, three speeds, coins; offline cart simulation checks every jump and climb; roller coaster chapter in the strats docs

CHANGELOG.md

@@ -40,6 +40,9 @@ There are two downloads: **full** (launcher + level editor) and **launcher** (mo
     Boot to level) no longer damages your progress.
   - The level tally shows the real coin and secret totals of new levels, the Test World and the
     arena instead of the Village's "55".
+  - **New: Llama Coaster** – a roller-coaster ride on a TestLevel chapter (default 48), with the
+    cart from the Catacombs: drops, climbs, boost arrows, a jump and a spin pad. Two tracks, 1–3
+    laps, three speeds.
 - **Save games**
   - Backups can no longer overwrite each other.
   - Import… opens in the backups folder.