Authentic Japanese mahjong with riichi mechanics and dora tiles.

- Learn how to play: Tutorials and game instructions for new players.

- Multiple AIs with different play styles.

- Configurable rule sets: Play with official JPML tournament rules, or set your own rules.

- Replay functionality: Save replays of any game. Replays can be watched with fast forward and rewind. You can also jump into play mode at any point during the replay and try to finish the hand differently.

- Special moves: Undo your last turn, look for tiles, or flip the table!

- Guess the wait: Special game mode to practice your discard reading skills. Try to guess what tiles your opponents need to win.