Baba — a rule-grammar puzzle

Arrows / WASD or tap a side to move · push word-blocks to change the rules · Z undo · R reset

level—

steps—

loading…

Active rules

Decomposition — search the level two ways

Flat move-search explodes on rule-assembly puzzles; an LM that proposes rule-edit macros collapses it — if the proposal is precise.

proposer precision low

FLAT 4 primitive moves

—

press solve

MACRO rule-edit macros

—

press solve

solved

speed

Python reference (assembly ladder): FLAT 7 → 1372 sims & censors at 62%; MACRO holds 1. Solve, then ▶ Watch the winning moves.

Play

Levels

verbs (defeat · melt · sink · move) + grammar (and · not) are the v2 puzzles; the assembly rungs are single-edit FLAT-killers; the multi-edit rungs are the genuine ones — break each hazard rule and assemble FLAG IS WIN (no pre-formed win). Try Solve · FLAT vs MACRO on them.

Generate — live, BFS-certified

difficulty (push distance) 4

legend & keys

baba (you) flag rock wall skull water lava word-block

Arrows / WASD move · tap a side of the board to step · Z / U undo · R reset · N / P next/prev level