Announcement

Touhou Gensou Mahjong will be available on Thursday, September 19th!

TOUHOU GENSOU MAHJONG · published 10 Sep 2024, 02:56 UTC

All events Players around this date Read on Steam

To all the mahjong fans around the world, thank you for waiting. Touhou Gensou Mahjong is now complete!
Thank you very much for all the suggestions for improvement and messages of support on SNS and message boards.

Steam version of “Touhou Gensou Mahjong” bundles some DLCs, which was sold separately in the consumer version.

Additional character “ZUN”
Additional character & stage "Unconnected Marketeers" pack
“Touhou Gensou Mahjong 4” BGM Pack

Please enjoy to your heart's content!

Also, for about two weeks after the start of release, 10% off the regular price will be available as a sale.
Please take this opportunity to enjoy playing against mahjong players from around the world in “Touhou Gensou Mahjong”!

Game modes added to the Steam version

Cirno's Mahjong Class

Let's learn the basics of mahjong with Cirno and her friends. It starts with “7-tiles mahjong”, which is easy to make a winning hand, so even complete beginners can play with peace of mind.

Adventure

This is a mode where you start at the Hakurei Shrine and clear “Quota” while visiting various locations in Gensoukyou. As you advance through the stages, the music by Motoi Sakuraba, Takeshi Abo, Hiroyuki Kawada and other legendary artists that was added in the Steam version will be “unlocked” (i.e. made available as BGM for the online match). Please take your time and give it a try.

With this update, we aimed to create a “fun ‘Touhou Gensou Mahjong’ for both individuals and groups”.
We hope you enjoy mahjong at any time to suit the scene.

Countdown event!

From September 11th, we will be holding a “countdown” project on the Touhou Genso Mahjong Twitter (now X) account.
Every day at 7pm(JST), we will be releasing a countdown illustration by an illustrator associated with Touhou Genso Mahjong!

Other announcements

All events

Game update13 Jan 2026Maintenance Update Jan,14 2026We have updated Touhou Gensou Mahjong to v1.2.16a. *This update fixes issues exclusive to the Steam version, so it is being released ahead of the Switch version. The Switch version will also be updated shortly. Note that it is still compatible with the current Switch version (1.2.16). Bug Fixes · Fixed the Traditional Chinese translations for slides in “Cirno's Mahjong Class” and some match mes…Major update28 Oct 2025Mima Returns! - Oct,29 2025We have updated Touhou Fantasy Mahjong to v1.2.16. To coincide with the release of the Switch package version (in Japan), the Steam version will also be updated. Feature Additions Chinese (Simplified & Traditional) Support “ Cirno's Mahjong class” has also been translated. Enjoy! Mima Returns! To commemorate the Switch package release, Mima—who appeared in the doujin version of the Touhou Genso…Game update4 Oct 2025Urgent Update Oct,5 2025A vulnerability has been disclosed in applications using the Unity engine . Touhou Gensou Mahjong is scheduled for an update on October 30th. As an emergency measure, we will update only the Unity runtime without changing the game content. If you encounter any issues after this update, please contact us . We appreciate your continued support of Touhou Gensou Mahjong.