Every appinfo change SteamRaw has observed, grouped by changelist. Tags, features, languages, builds, depots, prices and any other key Steam publishes. Tracking since at least 11 September 2026 22:03 UTC (estimated from the earliest recorded change; the exact first fetch was not stored).
No changes recorded since SteamRaw first saw this app. Every future PICS change will be listed here.
13 January 2026 23:49 UTC · Community Announcements · Mediascape co.ltd.
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 that it is still compatible with the current Switch version (1.2.16).Bug FixesFixed the Traditional Chinese translations for slides in “Cirno's Mahjong Class” and some match messages. Thank you to the community for reporting these.Regarding Urumi Ushizaki's ability, the description lacked clarification that it affects everyone except the user who activated it. The description has be
28 October 2025 16:19 UTC · Community Announcements · D.N.A.
We 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 AdditionsChinese (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 Gensou Mahjong series—has made a comeback! She is now available for all players on every platform. Her abilities have been slightly enhanced from her original version. Enjoy her wonderful illustration by Katakei!Au
4 October 2025 16:35 UTC · Community Announcements · D.N.A.
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 changing the game content.If you encounter any issues after this update, please contact us.We appreciate your continued support of Touhou Gensou Mahjong.
15 May 2025 15:09 UTC · Community Announcements · Mediascape co.ltd.
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 battles, you can still play against other versions of “v1.2.14”, but we ask that you update as soon as possible. Bug fixes Fixed an issue where the order of the explanation slides in “Cirno's Mahjong Class” was incorrect when there were more than 10 pages. Fixed significant performance issues caused by the “Oni-bi” effect triggered by Chiyari's ability. The appearance of the effec
30 April 2025 15:06 UTC · Community Announcements · D.N.A.
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 version of Touhou Gensou Mahjong and other platforms are now available! Enjoy fantastic mahjong battles on your favorite platform and in your favorite style! New features Cross-platform multiplayer support. Double-clicking is now treated as the confirmation action in character selection. Bug Fixes Fixed an issue where the number of tiles in the pot was not reset during forced consec
23 November 2024 16:14 UTC · Community Announcements · Mediascape co.ltd.
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 can still play against other versions of “v1.2.14”, but we ask that you update as soon as possible. Bug Fixes Fixed an issue where, when searching for a game using a “lobby password”, it was sometimes impossible to enter the game you were supposed to be able to enter. We apologize for any inconvenience this may have caused. We hope you will continue to enjoy playing Touhou Gensou
22 November 2024 04:23 UTC · Community Announcements · D.N.A.
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 we recommend updating as soon as possible. Bug Fixes Fixed an issue where pressing the RB button on the gamepad on the title screen would cause an unintended menu transition. Fixed an issue where the SD character for “Shikieiki Yamaxanadu” would not be displayed in Adventure Mode. Fixed a bug where, after selecting “Lobby Password” from the “Network Match” menu and opening the pa
19 November 2024 03:32 UTC · Community Announcements · D.N.A.
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 (and you can't enter). The “Lobby Password” function has been added. This is a replacement for the “Private Room” setting that was originally planned. More details to follow. Bug Fixes Fixed a bug where the ability of “Komachi Onozuka” (extending the “Ippatsu” hand) could be canceled by the opponent's declaration of Pon, Chi, or Kan, even though it was not supposed to be possibl
21 October 2024 04:05 UTC · Community Announcements · Mediascape co.ltd.
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 usage would unnecessarily increase while waiting for a online match to start Fixed an issue where the game would sometimes freeze if a character such as “Okina” or “Nue” used their ability and then ended the game before they expire Fixed a bug that caused the loading ability that had been activated in the previous round to appear in the first round immediately after a retry in Adven
21 September 2024 15:46 UTC · Community Announcements · Mediascape co.ltd.
Touhou 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 where the game would sometimes return to the menu screen automatically when displaying the results of a game. The settings for the “Kishinjou” table were different from the description. The ranking point settings for the “Hakurei Shrine - 4” adventure were not set correctly. The winning point judgment for the “Kishinjou - 4” adventure was not considering at the Wareme. Fixed an
20 September 2024 16:01 UTC · Community Announcements · Mediascape co.ltd.
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 restore it by entering “Adventure” (or “Cirno's Mahjong Class” in the case of “お東場恋娘”). We apologize for any inconvenience caused. We look forward to your continued support of “Touhou Gensou Mahjong”.
20 September 2024 00:54 UTC · Community Announcements · Mediascape co.ltd.
"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 between the description and the judgment of “Hitori uki” in the adventure mode in the adventure mode, the First dealer seat mark was not turned up (showing "East") when the game started in the South wind. Fixed the garbled messages in Star Sapphire's ability. Fixed a case in which the mouse pointer and the button collisions did not match during a game when NDI was turned on. Thank yo
19 September 2024 09:08 UTC · Community Announcements · D.N.A.
Touhou Gensou Mahjong v1.2.8 has been released. Bug fixes Fixed an issue where the instructions would not be displayed when selecting a tile from the discarded tiles using a “pick up a tile from the discards” ability, and the mouse would not work (you could only select tiles using the game pad). Fixed an issue where the prediction display for picking up discarded tiles was incorrect after activating the ability of Akyu. Fixed some missing translations. * Regarding the “Pick up discarded tiles” ability, the messages are displayed without being translated even in English settings, we will fix th
19 September 2024 05:06 UTC · Community Announcements · D.N.A.
The first retail version of “Touhou Gensou Mahjong” 1.2.6 has been released, but due to a bug that prevented progress, we have released v1.2.7. Bug Fixes Fixed a bug that prevented progress when using the “Hisami Yomotsu” ability with four-of-a-kind in the hand. Fixed a problem where the game would become unplayable after a network error occurred at the entrance. We are always looking at feedback from the community, and we aim to fix any problems as soon as they are found. The following problems found after v1.2.7 was released will be fixed in v1.2.8, which will be released today or tomorrow.
18 September 2024 10:37 UTC · Community Announcements · Ruw
Prior to the release of the full version on September 19, the service will be modified to disable the network versus function of the DEMO version. Please enjoy online matches with the retail version thereafter.
Full appinfo as delivered by Steam PICS, changenumber 38720666. Also at /api/app/2491200/raw.
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