Playing online
Japanese Mahjong can be played on various internet sites.
Tenhou.net
Main article: Tenhou.net
Tenhou.net is the most popular site to play with other people. It's all in Japanese, but there is extensive English documentation on arcturus.su.
Other sites
- Ron2
- Mahjong Time
Single-player games
- The Flash game by Gamedesign
- On Tenhou, it's possible to play against three computers.
The ever-popular Bamboo Game is a spinoff of Japanese Mahjong, played against a single computer opponent using only the 36 Souzu tiles. All hands are at least Chinitsu.