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.