Illegal Mahjong
Developed by AleCubicSoft · Published by OTAKU Plan
At a glance
Overview
An adventure, indie, rpg game by AleCubicSoft, published by OTAKU Plan — single-player.
Steam’s own one-line description: “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?” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Illegal Mahjong.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | No |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS: 7 / 8 / 8.1 / 10
- Processor: 3+ GHz Processor
- Memory: 4 GB RAM
- Graphics: DirectX 11/OpenGL 4.1 capable GPU
- DirectX: Version 11
- Storage: 1 GB available space
Recommended
- OS: 10
- Processor: 3+ GHz Processor
- Memory: 8 GB RAM
- Graphics: OpenGL ES 2.0 hardware driver support required for WebGL acceleration. (AMD Catalyst 10.9, nVidia 358.50)
- DirectX: Version 11
- Storage: 2 GB available space
Supported languages (4)
Illegal Mahjong FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Illegal Mahjong?
Steam classifies Illegal Mahjong as a Adventure, Indie, RPG game, developed by AleCubicSoft. 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?
How much does Illegal Mahjong cost?
As of June 2026, Steam lists Illegal Mahjong at $6.99. Prices and regional pricing change — check the Steam page for the current figure.
Is Illegal Mahjong single-player or multiplayer?
Steam lists these modes for Illegal Mahjong: Single-player. It lists a single-player mode.
Is Illegal Mahjong on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Illegal Mahjong for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Illegal Mahjong out yet?
Yes — Steam lists a release date of Jan 11, 2024.
What platforms is Illegal Mahjong on?
Illegal Mahjong is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Illegal Mahjong single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Illegal Mahjong cost?
Steam lists it at $6.99.
Does Illegal Mahjong have achievements?
Yes — Steam lists 8 achievements for Illegal Mahjong.
Who made Illegal Mahjong?
Illegal Mahjong is developed by AleCubicSoft and published by OTAKU Plan.
Where to get Illegal Mahjong
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data. Not affiliated with Valve/Steam, OTAKU Plan.