Learn the rules
Read the rule guides and work through tutorials before choosing the mahjong tradition you want to learn.
How to play mahjong
We are an independent game studio bringing the atmosphere of a mahjong table and the social pleasure of board games to digital play.
Studio philosophy
Ruypang Studio develops Mahjong: World Odyssey, a four-player mahjong game with seven regional rule families. Our aim is to make those traditions approachable through rule explanations, tutorials and opportunities to play, while respecting the differences between them.
Read the rule guides and work through tutorials before choosing the mahjong tradition you want to learn.
How to play mahjong
Play solo against three AI opponents in your browser, on a desktop computer or mobile device. The browser game is free to play.
Find your practice game
Share an invitation link or room code. Desktop and mobile players can join the same table. Multiplayer requires social sign-in.
Play mahjong with friendsOur first title
Choose a rule family for AI practice or an online table with friends. This is four-player tile mahjong: players draw and discard tiles to build a winning hand. The rule families below differ in their tile sets, winning conditions and scoring.
| Rule family | What to know |
|---|---|
| Korean mahjong | Korean tile and scoring rules, with an in-game guide and tutorial. |
| Japanese riichi | Learn riichi, yaku and dora through the Japanese rule family. |
| Sichuan mahjong | A regional family with its own hand restrictions and round flow. |
| Guangdong mahjong | Includes a Hong Kong preset within the Guangdong family. |
| Chinese Official (MCR) | Mahjong Competition Rules, with its own scoring patterns and winning requirements. |
| American mahjong | Uses our original Odyssey Card 2026, with Charleston exchanges and jokers. |
| Taiwanese mahjong | The Taiwanese family uses a 16-tile hand structure. |
Explore the game
Learn the basics, compare rule families, practise against AI or set up a table with friends.
Contact
For game questions, business enquiries or collaboration, email ruypang.studio@gmail.com.