Steam

東方幻想麻雀 - TOUHOU GENSOU MAHJONG

Also known as steam:2491200, tgm, touhou gensou mahjong

Engage in all manner of Mahjong! From standard matches to total chaos, featuring over 130 Touhou characters from 20+ entries! The match of your dreams awaits!

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Last update

17 May 2026

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Latest update

Patch notesPublished 13 Jan 2026

Maintenance Update Jan,14 2026

We 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 tha…

6 changesFixGameplay

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Latest updates

Update history

Browse past updates and patch notes for this game.

20updates

October 2025
Mima 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) Supp…Event14 changesFixGameplay28 Oct 2025
A 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 changin…1 changeSecurity04 Oct 2025
May 2025
Touhou Gensou Mahjong has been updated to v1.2.15b. *The Switch version has also been updated, but it is labeled “1.2.15a”. The fixes are the same for both versions. As we have not made any adjustments to the network ba…7 changesFixGameplayPatch notes15 May 2025
April 2025
We have updated Touhou Gensou Mahjong to v1.2.15a. Cross-platform battles are now available! We've been working hard on this update, and we're finally able to announce that cross-platform matches between the Switch vers…9 changesFixGameplayPatch notes30 Apr 2025
November 2024
Touhou Gensou Mahjong has been updated to v1.2.14c. * Due to software limitations, the version number displayed in the software will remain as “1.2.14”. As we have not made any adjustments to the network battles, you ca…3 changesFixGameplayPatch notes23 Nov 2024
Touhou Gensou Mahjong has been updated to v1.2.14b. * Due to software limitations, the version number displayed in the software will remain as “1.2.14”. Network play is possible with the previous version, v1.2.14, but w…5 changesFixGameplayPatch notes22 Nov 2024
Touhou Gensou Mahjong has been updated to v1.2.14. (2024/11/19 20:48(JST) Corrected description of how to search using “lobby password”.) New features The list of tables now also shows rooms where a game is in progress…#248 changesFixGameplayPatch notes19 Nov 2024
October 2024
Touhou Gensou Mahjong” has been updated to v1.2.13. Bug fix Fixed an issue where the client assigned to watch the game would sometimes not display the tiles that were needed for win. Fixed an issue where the memory usag…7 changesFixGameplayPatch notes21 Oct 2024
September 2024
Maintenance Update Sept.,22 2024Touhou Gensou Mahjong has been updated to version 1.2.11. New Features In "Adventure" and "Cirno's Mahjong Class", when you fail a challenge, you can now retry directly from the results screen. Bug Fixes Fixed an issue…Event8 changesFixGameplay21 Sept 2024
Touhou Gensou Mahjong” has been updated to v1.2.10. Bug fix Fixed a case where songs acquired in Adventure mode were not unlocked correctly after the next launch. If you were not able to select the song as BGM, you can…2 changesFixGameplayPatch notes20 Sept 2024
"Touhou Gensou Mahjong” has been updated to v1.2.9. Bug fixes Fixed the difference between the description and the actual rules/goals in the adventure modes “Heaven - 2” and “Hakugyokurou - 2” Fixed the difference betwe…5 changesFixGameplayPatch notes20 Sept 2024

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