Illegal Mahjong
Yuri, the former heiress of a company, finds her father's business bankrupt. To repay the debts, Yuri must compete in mahjong and continue to win. Can Yuri truly defeat her formidable opponents?
- Price:$6.99
- Release Date:1/11/2024
- Franchise:OTAKU Plan
- Developer:AleCubicSoft
- Publishers:
- Last Updated:4/11/2025
- Steam App Id:2607320
Illegal Mahjong
- Windows
- Mac
- Linux
Steam Charts, Stats, and Live Player Count
At the moment, Illegal Mahjong has 4 concurrent players online and in-game. This is 96% lower than its previous all-time peak of 89 players achieved on 1/15/2024.
Review History Chart
Track historical review trends and overall ratings for Illegal Mahjong. It has received a total of 141 reviews on the Steam store and achieved a Player Score of 78 (Very Positive).
Community Hub Members & Followers Chart
Explore the cumulative breakdown of Steam community hub members for Illegal Mahjong and its growth over time. It currently has 1,343 followers on its community page.
Illegal Mahjong Price
Illegal Mahjong costs $6.99 in the Steam store as of 4/11/2025. It can be purchased as a standlone game or through a bundle like OTAKU PLAN Bundle, Mahjong Game Bundle, 2024 Bestsellers Bundle, or AleCubicSoft Bundle which offer a discount off the game's base price.
Explore the price history chart below to track historical price changes and other pricing stats for Illegal Mahjong.
About Illegal Mahjong
Illegal Mahjong is a RPG, Indie, and Adventure game developed by AleCubicSoft. On 1/11/2024, it was released on the Steam Store by Asuka Factory, and OTAKU Plan.
Players have rated Illegal Mahjong as "Very Positive" out of 141 total reviews on the Steam Store. These are split between 122 positive reviews and 19 negative reviews — an overall 87% positive review rating.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Illegal Mahjong supports the following features:
- Family Sharing
- Single-player
From the Steam community, Illegal Mahjong has been tagged with the following user tags:
- Drama
- Atmospheric
- JRPG
- Multiple Endings
- Surreal
- Board Game
- RPG
- Nudity
- Cute
- Turn-Based Tactics
- Sexual Content
- Anime
- Turn-Based Strategy
- NSFW
- Colorful
- Adventure
- Singleplayer
- Female Protagonist
- Mahjong
- Tabletop
Media & Sceenshots
Watch the featured video for Illegal Mahjong and see the latest screenshots from the Steam Store.
DLC & Related Apps
Illegal Mahjong is referenced by 1 other related app in the Steam Store.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | Illegal Mahjong R18 DLC | DLC | 1/26/2024 | View |
Related Bundles
Illegal Mahjong is included in 4 bundles in the Steam Store.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | OTAKU PLAN Bundle | 65 | 65 | $702.37 | View |
 | Mahjong Game Bundle | 2 | 2 | $9.78 | View |
 | 2024 Bestsellers Bundle | 8 | 8 | $102.52 | View |
 | AleCubicSoft Bundle | 6 | 6 | $33.54 | View |
Related Packages
Illegal Mahjong is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| Illegal Mahjong | $6.29 | View |
Supported Languages
Illegal 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 |
|---|---|---|---|
| Japanese | Yes | Yes | Yes |
| English | Yes | No | Yes |
| Chinese (Simplified) | Yes | No | Yes |
| Chinese (Traditional) | Yes | No | Yes |
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 realtime to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Illegal Mahjong data has been sourced from:
- Valve Corporation. (2025, April 11). Illegal Mahjong on Steam. Steam Store. https://store.steampowered.com/app/2607320
- Valve Corporation. (2025, April 11). Illegal Mahjong. Steam Community Hub. https://steamcommunity.com/app/2607320