Play Mahjong Online Against AI

Build a winning hand against local AI: Basic 13, Sichuan, four- and three-player riichi, MCR and American mahjong, with rules and hints at the table. Play Mahjong free in your browser against adjustable AI. No download or account.

Why play Mahjong here?

Six rule families, local AI opponents, clear tiles and saved matches.

How You WinBuild a hand that legally wins under the selected rules by drawing and discarding tiles. Collect its points and aim for the highest cumulative score across the match.

Players
Usually four; three in sanma, with AI opponents
Starting hand
Usually 13 tiles each; the dealer has 14 and discards first
Rules
Seven presets; read the shared basics, then your chosen chapter

Complete Mahjong rules and beginner guide

Restoring your match…