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!
- Release Date:9/8/2022
- Developer:Formirai Co., Ltd.
- Publisher:Formirai Co., Ltd.
- Last Updated:4/16/2026
- Steam App Id:1954420
Steam Charts, Stats, and Live Player Count
At the moment, Riichi City - Japanese Mahjong has 869 concurrent players online and in-game. This is 56% lower than its previous all-time peak of 1,965 players achieved on 3/14/2025.

Riichi City - Japanese Mahjong Review
Riichi City - Japanese Mahjong has achieved a Steambase Player Score of 48 / 100. This score is calculated from 4,474 total reviews on the Steam store — giving it a Mixed rating. These are split between 2,156 positive reviews, 2,318 negative reviews, and will be updated in real-time as more players leave their feedback.
Track historical reviews and overall rating trends for Riichi City - Japanese Mahjong using the chart below.
About Riichi City - Japanese Mahjong
Riichi City - Japanese Mahjong is a Casual, Sports, Strategy, and Free to Play game developed by Formirai Co., Ltd. On 9/8/2022, it was released on the Steam Store by Formirai Co., Ltd. .
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Riichi City - Japanese Mahjong on the Steam Deck but some functionality may not be fully supported.
According to Steam’s category system, Riichi City - Japanese Mahjong supports the following features:
- Online PvP
- In-App Purchases
- Multi-player
- PvP
- Cross-Platform Multiplayer
From the Steam community, Riichi City - Japanese Mahjong has been tagged with the following user tags:
- Card Game
- Drama
- 2.5D
- Souls-like
- Modern
- Massively Multiplayer
- JRPG
- Board Game
- Sports
- Real Time Tactics
- RTS
- Psychological Horror
- Horror
- Cute
- Sexual Content
- Funny
- Card Battler
- Strategy
- Anime
- Thriller
- Turn-Based Strategy
- Casual
- Mahjong
Media & Sceenshots
Watch the featured video for Riichi City - Japanese Mahjong and see the latest screenshots from the Steam Store.

Supported Languages
Riichi City - Japanese Mahjong is available in 4 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| Japanese | Yes | Yes | Yes |
| Chinese (Traditional) | Yes | No | Yes |
| Chinese (Simplified) | Yes | No | Yes |
More Steam Charts
Track historical trends for Riichi City - Japanese Mahjong community hub members and its growth over time. It currently has 3,275 followers in its community.
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Riichi City - Japanese Mahjong data has been sourced from:
- Valve Corporation. (2026, April 16). Riichi City - Japanese Mahjong on Steam. Steam Store. https://store.steampowered.com/app/1954420
- Valve Corporation. (2026, April 16). Riichi City - Japanese Mahjong. Steam Community Hub. https://steamcommunity.com/app/1954420
- Formirai Co., Ltd.. (2023, July 7). Riichi City - Japanese Mahjong. Riichi City - Japanese Mahjong. https://www.mahjong-jp.com