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Steam app 1954420 · updated 10 Sep 2026, 17:23 UTC

Riichi City - Japanese Mahjong

Riichi City is a competitive urban-style Anime mahjong game, featuring beginner-friendly mahjong tutorials, Ranked Matches and tournaments crowded with masters! Spice up the experience with our ACG characters voiced by famous CVs, and attractive items and decorations! Set off for Riichi City now!

History chartsJune 2026 to September 2026
Last 30 days−24.4Gain−5.82%% gain799Peak
Riichi City - Japanese Mahjong Steam header artwork
Formirai Co., Ltd.Formirai Co., Ltd.
415playing now
75424-hour peak
1,921all-time peak
395average, last 30 days

Game information

Free to playUpdated 10 Sep 2026, 17:23 UTC
App ID
1954420
Product type
Game
Developer
Formirai Co., Ltd.
Publisher
Formirai Co., Ltd.
Release date
8 Sep, 2022
Release status
Released
Early Access
Platforms
Windows, macOS, Linux
Genres
Game modes
Multi-player, PvP, Online PvP, Cross-Platform Multiplayer
Controller support
Declared DRM
Achievements
Steam Deck
Playable
Metacritic

Features & support

Steam features

In-App PurchasesFamily Sharing

Controllers & input

Accessibility

Popular tags

Sexual ContentMahjongCasualAnimeThrillerCard GameCuteHorrorStrategyModernRTSJRPGCard BattlerSportsFunny2.5DBoard GameReal Time TacticsPvPTurn-Based Strategy
About this gameFull description from Steam
Traditional Japanese mahjong game with lovely ACG characters, and all kinds of anime memes.You can play Riichi mahjong game anytime anywhere, enjoy the real mahjong experience! Come and join Riichi City! [Riichi City Features] ◆Free to Play and Fair Environment Enjoy different modes and features without any cost! Indulge in the real Riichi mahjong games with your friends anywhere, anytime! Experience truly random tiles, without any additional adjustments! Chii! Pon! Kan! Pinfu! Chinitsu! Kokushi Musou! Explore a wide range of yaku combinations that you love in a fair and secure gaming environment! ◆Real-Life Design Elements The real-life design elements in the modern Riichi City, such as mahjong houses, cafés, convenience stores and more, bring the realness of playing live Japanese mahjong games to the app! Experience the fierce competition in the fast-paced Japanese mahjong matches! ◆ACG Characters with Unique Playing Styles & Personalities Meet and bond with the ACG characters in-app, each featuring their own playing styles and personalities, ranging from aggressive to defensive and skilled at reading discards... You name it!You can choose different waifu to grow with them and take your Japanese mahjong skills to the next level! ◆Fully Voiced by Famous Japanese CVs Renowned Japanese voice actors and actresses bring the ACG characters in Riichi City to life with their exceptional voice acting talent! Lead them as their captain, start competing against others in the mahjong tournaments, and enjoy your game with these mahjong stars! CVs: Ogura Yui, Namikawa Daisuke, Ishikawa Yui, Arai Satomi, Suguta Hina, Morishima Shuuta, Hasegawa Reina... ◆Beginner-Friendly Functions Riichi City has a lot to offer, including tutorials, game log, spectator mode, hints for the winning tiles, tips for drawing and discarding tiles, auto hints, point calculation, and much more! All of these features are designed to help beginners ease into the Riichi mahjong world! ◆Community and Abundant Events with Generous Rewards No longer play alone! Join the vibrant community and communicate with mahjong players from around the world! Stay tuned for the official knockout tournaments, Japanese mahjong matches, limited-time challenges, and events in the future, all featuring tons of prizes! Customer service: riichicitysupport@mahjong-jp.com
Content & age ratings2 regional ratings

Regional ratings

DEJUSl
IGRSBANNEDKekerasan · Interaksi Daring
System requirementsMinimum and recommended hardware

Minimum

Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 SP1以上 Processor: Intel Pentium Dual CPU E2180 2.00GHz Memory: 2 GB RAM Graphics: GeForce GT 430 / ATI Radeon HD 2600XT DirectX: Version 10 Network: Broadband Internet connection Storage: 500 MB available space

Recommended

Recommended: Requires a 64-bit processor and operating system OS: Windows 10 Processor: Intel Core i5 – 2.4 GHz Memory: 3 GB RAM Graphics: GeForce GT 430 / ATI Radeon HD 2600XT DirectX: Version 10 Network: Broadband Internet connection Storage: 500 MB available space

macOS

Minimum: OS: MacOSX 10.13 or higher Processor: Intel Core i5 – 2.4 GHz Memory: 2 GB RAM Graphics: AMD Radeon HD 6490M Network: Broadband Internet connection Storage: 500 MB available space Recommended: OS: MacOSX 10.13 or higher Processor: Intel Core i5-2400S, 2.6 GHz Memory: 3 GB RAM Graphics: AMD Radeon HD 6750M Network: Broadband Internet connection Storage: 500 MB available space

Linux

Minimum: OS: Ubuntu 10.04.4 LTS (Lucid Lynx) Processor: Intel Core i5 – 2.4 GHz Memory: 2 GB RAM Graphics: AMD Radeon HD 6490M Network: Broadband Internet connection Storage: 500 MB available space Recommended: OS: Ubuntu 18.10 (Cosmic Cuttlefish) Processor: Intel Core i5-2400S, 2.6 GHz Memory: 3 GB RAM Graphics: AMD Radeon HD 6750M Network: Broadband Internet connection Storage: 500 MB available space
Supported languages4 languages
LanguageFull audio
English
Japanese
Traditional Chinese
Simplified Chinese

A blank audio cell means full audio was not marked in the returned language list.

Screenshots & trailersScreenshots and trailers

Trailers

AchievementsTotal count and selected achievements