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Riichi Mahjong 🀄BETA

Click an empty table to create · click waiting to join · click playing to spectate

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How to play

The table
  • 4 players, East round (4 hands, ~15 min). Everyone starts at 25,000.
  • Draw one, discard one. Build 4 sets + a pair (a set = run 234 or triplet 555).
  • Corner marks on every tile: number + m/p/s, E/S/W/N winds, Wh/G/R dragons.
  • Free. Invite friends with the link; the host can add bots.
Winning
  • You need at least one yaku (scoring pattern) — see 役種 above.
  • Riichi: closed and one tile away? Bet 1,000 to lock your hand and unlock bonuses.
  • Ron = win on someone's discard · Tsumo = win on your own draw.
  • Calls (chii/pon/kan) speed you up but open your hand — fewer yaku count.
Companions
  • Pick who plays for you at your seat — she calls your riichi, pon and wins.
  • Momo and Laura play for everyone at the mahjong table; 钱多多 and Sora arrive with the gacha. Bots at your table wear the companions you own.
New here?
  • Take the 5-minute 📖 tutorial, then open a practice table against three bots.
  • Bots are heuristic (no AI cost) — a fair sparring partner, not a shark.