17 rule sets, from Hong Kong parlours and Japanese professional leagues to Sichuan teahouses, Singaporean animal tiles and the American card — how many play, how many tiles, how big the hand, and how it scores.
Want the three biggest styles side by side? See Rules compared.
Mainland RegionalA Hunan style using only the three suits, in which an ordinary winning hand usually needs its pair to be a 2, 5 or 8.
Mainland RegionalOnly the three suits are used, each player abandons one suit, and the hand continues until three players have won.