TOUHOU GENSOU MAHJONG

Japanese mahjong with character powers and unconventional table rules

D.N.A. Softwares · Published by Mediascape Co.,Ltd. · Released Sep 18, 2024

Reviews: Mixed; 50% of 117
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 9 months ago; Jan 14, 2026
Minimum PC: GeForce GTX 1060; 8 GB RAM · 2 GB disk; Full requirements

What is TOUHOU GENSOU MAHJONG?

A Japanese riichi mahjong game set in Gensokyo, where strange mahjong tables have appeared. You play three- or four-player matches online or against computer opponents in Adventure Mode, while Cirno's Mahjong Class teaches you how to form winning hands.

For you if...

+you enjoy experimenting with different mahjong strategies
+you want a large cast of playable Touhou characters

Not for you if...

−you want to set individual rules rather than select presets

What players say

50% of 117 reviews are positive

Players praise the soundtrack. The recurring complaint is value for the price, though recent feedback notes a price reduction. Players also criticize cumbersome rule-selection menus and limited settings.

Screenshots and trailer

TOUHOU GENSOU MAHJONG system requirements

Minimum: GeForce GTX 1060, 8 GB RAM, 2 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 10, 11 (x64)
Processor: Core i5 or Ryzen 5 or equivalent
Graphics: GeForce GTX 1060, Radeon RX 570 or equivalent
Memory: 8 GB RAM
Storage: 2 GB available space
DirectX: Version 11

Does TOUHOU GENSOU MAHJONG have co-op or multiplayer?

Yes: PvP online. It also has a single-player mode.

Does TOUHOU GENSOU MAHJONG run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Sometimes shows mouse, keyboard or non-Deck controller icons
Some text entry requires manually opening the on-screen keyboard
Some in-game text is small and may be hard to read
The native resolution is not the default one
All functionality is accessible with the default controller configuration
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Cloud saves, Family Sharing
Languages: Full audio: Japanese. Text only: English.

Does TOUHOU GENSOU MAHJONG use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam