Riichi City - Japanese Mahjong
Free-to-play online riichi mahjong with anime characters and detailed lessons
Formirai Co., Ltd. · Released Sep 8, 2022
- Reviews
- Mixed
- 47% of 4,866
- Recent reviews
- Mixed
- 40% of 70 in 30 days
- Playing now
- 485
- right now
- Steam Deck
- Playable
- Last update
- 2 weeks ago
- Sep 9, 2026
What is Riichi City - Japanese Mahjong?
A free-to-play Japanese mahjong game centered on cross-platform online PvP matches. Players choose voiced anime-style characters, compete with friends or other players, and use tutorials, hints, match logs, and scoring lessons to learn riichi mahjong.
For you if...
- +you want detailed lessons on riichi rules and scoring
- +you enjoy competitive online mahjong matches with friends
- +you like anime characters, cosmetics, and collection systems
Not for you if...
- −you want a simple mahjong client without gacha systems
- −you dislike pervasive sexualized character art and fan service
- −you prefer minimal menus and few live-service tasks
What players say
47% of 4,866 reviews are positive · 40% of 70 in the last 30 days
Players most often praise the academy lessons for explaining riichi rules and score calculation, while some also favor the interface and animations. The most common complaints are pervasive sexualized imagery, crowded menus, and gacha-driven live-service chores.
Screenshots and trailer
Riichi City - Japanese Mahjong system requirements
As published by the developer.
Minimum
- OS
- Windows 7 SP1以上
- Processor
- Intel Pentium Dual CPU E2180 2.00GHz
- Graphics
- GeForce GT 430 / ATI Radeon HD 2600XT
- Memory
- 2 GB RAM
- Storage
- 500 MB available space
- DirectX
- Version 10
Recommended
- OS
- Windows 10
- Processor
- Intel Core i5 – 2.4 GHz
- Graphics
- GeForce GT 430 / ATI Radeon HD 2600XT
- Memory
- 3 GB RAM
- Storage
- 500 MB available space
- DirectX
- Version 10
PC version details
DRM, required accounts, controller support and Steam features.
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows, macOS, Linux
- Steam features
- Family Sharing, In-app purchases
Steam Deck: Playable
- Some text entry requires manually opening the on-screen keyboard
- All functionality is accessible with the default controller configuration
- In-game text is legible on Steam Deck
- Default graphics settings perform well on Steam Deck
Multiplayer and co-op
Languages
Full audio: Japanese. Text only: English, Traditional Chinese, Simplified Chinese.
Tags
- Sexual Content
- Mahjong
- Casual
- Anime
- Thriller
- Card Game
- Cute
- Horror
- Strategy
- Modern
- RTS
- JRPG
- Card Battler
- Sports
- Funny
- 2.5D
Recent updates
- Sep 9, 2026 · Update Notice (09/10)
- Aug 24, 2026 · Update Notice (08/25)
- Aug 10, 2026 · Update Notice (08/11)
- Jul 29, 2026 · Update Notice (07/30)
- Jul 9, 2026 · Update Notice (07/10)
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