
Free
About
13 Orphans Mahjong brings Riichi Mahjong to your iPhone with a clean, focused experience designed for both learning and play.
Play complete Riichi Mahjong matches against computer-controlled opponents, with scoring, calls, Riichi, Dora, Furiten, draws, wins, and round progression handled automatically.
PLAY RIICHI MAHJONG
• Play full matches against three computer opponents
• Choose between East-only and full Hanchan games
• Authentic Riichi rules and scoring
• Call Chi, Pon, Kan, Riichi, Ron, and Tsumo
• Track points, Honba, Riichi sticks, Dora, and round progression
LEARN AS YOU PLAY
• Built-in Riichi Guide
• Review tiles, basic terminology, calls, and scoring concepts
• Suitable for players learning Riichi as well as experienced players looking for offline practice
PLAY OFFLINE
• No account required
• Play anywhere without needing an internet connection
• Resume an unfinished game later
A SIMPLE, FOCUSED MAHJONG EXPERIENCE
13 Orphans Mahjong is built around the game itself giving you a straightforward way to learn, practice, and enjoy Japanese Riichi Mahjong on your iPhone.
More features and Mahjong experiences are planned for future updates.
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What's New in 13 Orphans Mahjong
1.0.1
October 22, 2026
What's New in Version 1.0.1 • Added animated RIICHI announcements for players and computer opponents. • Added physical 1,000-point Riichi sticks to the Mahjong table. • Corrected seat wind indicators for all four players. • Improved Riichi scoring accuracy, including double-wind Yakuhai. • Enhanced gameplay visuals and overall presentation.
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