About Ruypang Studio

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

A place to learn, practise and share a table

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.

The game's built-in mahjong rule guide

Learn the rules

Read the rule guides and work through tutorials before choosing the mahjong tradition you want to learn.

How to play mahjong
The game home screen with solo and online play choices

Practise with AI

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
An online mahjong room with friend invitation options

Invite friends online

Share an invitation link or room code. Desktop and mobile players can join the same table. Multiplayer requires social sign-in.

Play mahjong with friends

Our first title

Mahjong: World Odyssey at a glance

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.

Seven supported mahjong rule families
Rule familyWhat to know
Korean mahjongKorean tile and scoring rules, with an in-game guide and tutorial.
Japanese riichiLearn riichi, yaku and dora through the Japanese rule family.
Sichuan mahjongA regional family with its own hand restrictions and round flow.
Guangdong mahjongIncludes a Hong Kong preset within the Guangdong family.
Chinese Official (MCR)Mahjong Competition Rules, with its own scoring patterns and winning requirements.
American mahjongUses our original Odyssey Card 2026, with Charleston exchanges and jokers.
Taiwanese mahjongThe Taiwanese family uses a 16-tile hand structure.

Explore the game

Start with the question you have

Learn the basics, compare rule families, practise against AI or set up a table with friends.

Contact

Talk to Ruypang Studio

For game questions, business enquiries or collaboration, email ruypang.studio@gmail.com.