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About TOUHOU GENSOU MAHJONG
Touhou Gensou Mahjong lets you enjoy Japanese Riichi Mahjong with 3‑4 players while featuring over 130 characters from the Touhou Project. Each character brings a unique perk that can alter gameplay, yet you may also play without any abilities for a pure Mahjong experience.
The game offers a variety of modes, from online PvP and Relay spectating to single‑player lessons and adventure battles across 20 themed stages. With extensive artwork and music contributions, every match feels like a lively celebration of the Touhou universe.
01 / THE GUIDE
Characters & Unique Perks
More than 130 Touhou characters are playable, each equipped with a special perk that changes the match in some way. These perks support diverse playstyles, and some are noted as beginner‑friendly while others add complexity.
If you prefer classic Mahjong, the game allows you to disable all character abilities, ensuring a traditional Riichi experience. This flexibility lets you tailor the level of chaos or strategy you desire.
- Try a beginner‑friendly perk first to ease into the added mechanics.
- Disable abilities for a pure competitive Mahjong feel.
02 / THE GUIDE
Game Modes
The title includes several distinct modes: Free Match for rule experimentation against CPU, Cirno's Mahjong Class for tutorials, Adventure Mode for story‑driven one‑on‑one battles, and online PvP with Relay spectating. Each mode presents its own set of rules and objectives.
Adventure Mode features specially crafted stages and music, while Free Match lets you customize rules to test character abilities. This variety caters to both newcomers and seasoned players seeking different challenges.
- Use Free Match to practice new rule sets before online play.
- Explore Adventure Mode to experience character‑specific challenges.

03 / THE GUIDE
Online Play & Relay Spectating
Online PvP lets you battle opponents worldwide, and the Relay mode permits additional players to join as spectators. The unique screen layout of Relay is described as ideal for streaming or casual watching.
These features support both competitive matches and community viewing, giving flexibility in how you engage with other players or audiences.
- Enable Relay mode when streaming to showcase matches to viewers.
- Challenge global opponents to test your strategies.
04 / THE GUIDE
Single‑Player Training
Cirno's Mahjong Class offers lessons from Ms. Keine, teaching Mahjong fundamentals piece by piece. This mode is aimed at players with no prior Mahjong experience, guiding them toward forming winning hands.
Adventure Mode also provides a single‑player storyline where you face each character in one‑on‑one battles, adding narrative context to the gameplay.
- Start with Cirno's Class to learn basic hand formation.
- Progress to Adventure Mode for character‑focused challenges.
05 / THE GUIDE
Audio & Art Contributions
Over 100 illustrators contributed character designs, and more than 40 musical arrangers provided stage‑specific BGM. Notable groups like IOSYS and veteran composers such as Motoi Sakuraba are credited for the soundtrack.
Each Mahjong arena features its own unique music, enhancing the atmosphere of the themed locations drawn from the Touhou series.
- Listen to stage BGM to identify the locale’s origin.
- Appreciate the varied art styles across characters.





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