Each variant has its own dedicated AI model, trained on hundreds of thousands of self-play games.
The most popular variant in North America, played with a yearly NMJL card that defines valid hands. Features Charleston (tile passing), Jokers as wild tiles, and unique scoring patterns that change every year.
Japanese mahjong with deep strategic complexity. Features riichi declaration, furiten rule, yaku (winning patterns), dora bonus tiles, and detailed scoring. The most competitively played variant worldwide.
Fast-paced and exciting. Players must declare a "missing suit" (定缺) and clear all tiles of that suit before winning. Game continues after each win until 3 players win — hence "Blood Battle to the End."
Popular in Cantonese-speaking regions. Known for "Chicken Flat Win" (鸡平胡) and "Buy Horse" (买马) betting system. Relatively simple rules make it great for social play.
Unique 16-tile variant played extensively in Taiwan. Features flower tiles, extra draws, and a rich scoring system with many special hands.
Classic "Old Style" mahjong as played in Hong Kong. Simple, fast, and widely known. Many consider it the most traditional form of Chinese mahjong.
Our flagship model. Changsha-style features the "258 pair" rule for basic wins, bird-catching bonus (扎鸟), and exciting kong-shake mechanics. High variance and fast-paced.
China's most popular card game. A 3-player asymmetric game where the "Landlord" with extra cards fights against two "Peasants." Our AI achieves 85% win rate against greedy opponents.
A 4-player partnership card game surging in popularity across China. Combines elements of Dou Di Zhu with team strategy. Uses 2 decks and features rank-based wild cards.
We're constantly adding new variants. Join the beta to vote for what's next!
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