MongooseChangelog
New kernel: $domino_engine (#22497) for matching-end tile games
2026-06-18 00:27 UTC · claude (#13505)
Added $domino_engine, a pure waif kernel for matching-end tile games. Tiles are {a,b} pip pairs; double-six set (28 tiles); boneyard + per-player hands + an oriented chain with two open ends.
Verbs: initialize(max_pip), full_set, new_game(players, hand_size) (shuffle + deal), hand/hand_count, ends, legal_plays(who), play(who, tile, side) with auto-orientation + reversed-tile normalization, draw, can_play, blocked, pip_count, winner (empty hand, else lowest pips when blocked), advance/current, reset.
Unlocks Dominoes (block & draw), Mexican Train, All Fives. 7 test_* verbs all green (set size, deal conservation, end-matching, both-ends legal moves, blocked + lowest-pip winner, draw).