Welcome to the Transformice Wiki!

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Transformice is a free online multiplayer game created by Melibellule and Tigrounette owned by Atelier 801. The objective of this game is to collect cheese playing as a mouse character, and take it back to the hole in exchange for a currency, not surprisingly named cheese. This cheese can be spent on items, map creation or other things, such as starting up a tribe of mice. In the majority of maps, a shaman is needed to aid in getting the mice to the cheese and into the mouse hole, using wide selection of tools that can be conjured by the shaman to create various contraptions to get to the cheese.

   News

For a full list of all the game's updates, see Game updates (current: V1.923); and for a list of previous events, see Event.

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Version 1.923

Release date	7 May 2026
Official links	No official announcement
New features
Dino 2026 added, including a new costume . Giggle emote added. New shop items.

Version 1.922a

Release date	1 May 2026
Official links	Discord announcement
New features
Double cheese and XP added for 16th Anniversary. All collector shop items returned to the shop at full price for 1 week for 16th Anniversary.

Version 1.922

Release date	30 April 2026
Official links	No official announcement
New features
New shop items.

Version 1.921

Release date	24 April 2026
Official links	No official announcement
New features
New shop items.

Version 1.920

Release date	16 April 2026
Official links	No official announcement
New features
New shop items.

Version 1.919

Release date	9 April 2026
Official links	No official announcement
New features
New shop items.

Version 1.918

Release date	2 April 2026
Official links	No official announcement
New features
Easter 2026 added, including a new costume . New shop items.

Version 1.917a

Release date	27 March 2026
Official links	No official announcement

Version 1.917

Release date	26 March 2026
Official links	No official announcement
New features
New shop items.

Version 1.916

Release date	20 March 2026
Official links	No official announcement
New features
New shop items.

Version 1.914a

Release date	17 March 2026
Official links	No official announcement

Version 1.914

Release date	16 March 2026
Official links	No official announcement

Version 1.913

Release date	12 March 2026
Official links	No official announcement
New features
Rain 2026 added. New shop items (Rain vs Shine 2026).

Version 1.912

Release date	5 March 2026
Official links	No official announcement
New features
New shop items.

Version 1.911

Release date	27 February 2026
Official links	No official announcement
New features
New shop items.

Version 1.910

Release date	19 February 2026
Official links	No official announcement
New features
New shop items.

Version 1.909

Release date	12 February 2026
Official links	No official announcement
New features
New shop items.

Version 1.908

Release date	5 February 2026
Official links	No official announcement
New features
Valentine's Day 2026 added, including a new costume . New shop items.

Version 1.907

Release date	29 January 2026
Official links	No official announcement
New features
New shop items.

Version 1.906

Release date	22 January 2026
Official links	No official announcement
New features
New shop items.

Version 1.905

Release date	15 January 2026
Official links	No official announcement
New features
New shop items (Arctic vs Antarctic 2026).

Version 1.904

Release date	8 January 2026
Official links	No official announcement
New features
New shop items.

Version 1.903a

Release date	25 December 2025
Official links	No official announcement
New features
New shop items.

Version 1.903

Release date	19 December 2025
Official links	No official announcement
New features
New shop items.

Version 1.902a

Release date	19 December 2025
Official links	Discord announcement
New features
Xmas Bloon 2025 Lua event added.

Version 1.902

Release date	18 December 2025
Official links	No official announcement
New features
New shop items.

Version 1.901

Release date	11 December 2025
Official links	No official announcement
New features
New shop items.

Version 1.900

Release date	4 December 2025
Official links	No official announcement
New features
Christmas 2025 added, including a new pet . New shop items.

Version 1.899

Release date	27 November 2025
Official links	No official announcement
New features
New shop items.

Version 1.898

Release date	20 November 2025
Official links	No official announcement
New features
New shop items (Sugar vs Spice 2025).

Version 1.897

Release date	13 November 2025
Official links	No official announcement
New features
New shop items.

Version 1.896a

Release date	7 November 2025
Official links	No official announcement
New features
The Orchestra 2025 Lua event added.

Version 1.896

Release date	6 November 2025
Official links	No official announcement
New features
New shop items.

Version 1.895

Release date	30 October 2025
Official links	No official announcement
New features
New shop items.

Version 1.894

Release date	23 October 2025
Official links	No official announcement
New features
New shop items.

Version 1.893a

Release date	17 October 2025
Official links	No official announcement
New features
added to the shop.

Version 1.893

Release date	16 October 2025
Official links	No official announcement
New features
Halloween 2025 added, including new costumes . New banner slot in shop. New shop items.

Version 1.892

Release date	9 October 2025
Official links	No official announcement

Version 1.891

Release date	9 October 2025
Official links	No official announcement

Version 1.890

Release date	9 October 2025
Official links	No official announcement
New features
New shop items.

Version 1.889

Release date	2 October 2025
Official links	Discord announcement
New features
New shop items. You can increase your Hall of Cheese standing only in public, unaltered rooms. This means that statistics no longer count towards Hall of Cheese if they are gathered in private, passworded or customised rooms.

Version 1.888

Release date	25 September 2025
Official links	No official announcement
New features
New shop items.

Version 1.887

Release date	18 September 2025
Official links	No official announcement
New features
New shop items.

Version 1.886

Release date	11 September 2025
Official links	No official announcement
New features
Astrological 2025 added. New shop items (Astrology vs Astronomy 2025).

Version 1.885

Release date	4 September 2025
Official links	No official announcement
New features
New shop items.

Version 1.884

Release date	28 August 2025
Official links	No official announcement
New features
New shop items.

Version 1.883

Release date	21 August 2025
Official links	No official announcement
New features
New shop items.

Version 1.882

Release date	14 August 2025
Official links	No official announcement
New features
New shop items.

Version 1.881

Release date	8 August 2025
Official links	No official announcement
New features
New shop items.

Version 1.880

Release date	31 July 2025
Official links	No official announcement
New features
New shop items.

Version 1.879

Release date	24 July 2025
Official links	No official announcement
New features
New shop items.

Version 1.878

Release date	17 July 2025
Official links	No official announcement
New features
New shop items.

Version 1.877

Release date	10 July 2025
Official links	No official announcement
New features
New shop items.

Version 1.876

Release date	4 July 2025
Official links	Steam announcement
New features
Fishing 2025 added, including new costumes and pets . Salmon cheese added. New ocean map background. Added 12 vanilla maps (winners of the Vanilla Map Making Contest 2025): maps 234 to 245. New shop items (Freshwater vs Saltwater 2025). Ocean background

Version 1.875

Release date	26 June 2025
Official links	No official announcement
New features
New shop items.

Version 1.874

Release date	18 June 2025
Official links	No official announcement
New features
New shop items.

Version 1.873

Release date	12 June 2025
Official links	No official announcement
New features
New shop items.

Version 1.872

Release date	5 June 2025
Official links	No official announcement
New features
Hugging 2025 added, including a new paintbrush and pet . New shop items.

Version 1.871

Release date	29 May 2025
Official links	No official announcement
New features
New shop items.

Version 1.870a

Release date	24 May 2025
Official links	Discord announcement
New features
Trip to Wonderland 2025 Lua event added.

Version 1.870

Release date	22 May 2025
Official links	No official announcement
New features
New shop items.

Version 1.869

Release date	15 May 2025
Official links	No official announcement
New features
New shop items. New decorations in the Map Editor.

Version 1.868a

Release date	9 May 2025
Official links	No official announcement
New features
All collector shop items and triple cheese and XP removed.

Version 1.868

Release date	8 May 2025
Official links	Discord announcement
New features
New shop items. Fixed snow ground button in map editor. Galaxy grounds collisions have been adjusted when the ground are thin. Galaxy ground color has been adjusted in minimalist mode. Added "Invert output point" option to galaxy ground. Added "Add input ground speed" option to galaxy dynamic ground. Galaxy ground now display correctly in map editor. Invisible galaxy ground is now correctly invisible.

Version 1.867

Release date	2 May 2025
Official links	No official announcement
New features
Galaxy ground fixes.

Version 1.866

Release date	1 May 2025
Official links	Discord announcement Steam announcement
New features
Triple cheese and XP added for 15th Anniversary. All collector shop items returned to the shop at full price for 1 week for 15th Anniversary. New galaxy ground added to the Map Editor. New costume , pet and paintbrushes . New shop items. Galaxy ground

Version 1.865

Release date	24 April 2025
Official links	No official announcement
New features
New shop items (April Showers vs May Flowers 2025).

Version 1.864

Release date	17 April 2025
Official links	No official announcement
New features
New shop items.

Version 1.863a

Release date	11 April 2025
Official links	No official announcement
New features
Easter 2025 stats now count on the adventure calendar. Grassy cheese now appears on back of mouse correctly. became a collector item.

Version 1.863

Release date	10 April 2025
Official links	No official announcement
New features
Easter 2025 added. Grassy cheese added. New decorations in the Map Editor. New shop items. is not invisible anymore.

Version 1.862

Release date	3 April 2025
Official links	No official announcement
New features
New shop items.

Version 1.861

Release date	1 April 2025
Official links	No official announcement
New features
Transformaid 2025 Lua event added.

Version 1.860a

Release date	31 March 2025
Official links	No official announcement
New features
Hints for Transformaid 2025 added.

Version 1.860

Release date	27 March 2025
Official links	No official announcement
New features
New shop items.

Version 1.859

Release date	20 March 2025
Official links	No official announcement
New features
New shop items.

Version 1.858a

Release date	18 March 2025
Official links	Discord announcement
New features
In Cassidy's shop in St. Patrick's Day 2025, the cost of 1 decreased to 8 (previously 10), 5 (previously 6) or 8 (previously 10).

Version 1.858

Release date	13 March 2025
Official links	No official announcement
New features
New shop items. In Cassidy's shop in St. Patrick's Day 2025, the cost of 1 increased to 10 (previously 6), 6 (previously 4) or 10 (previously 2). Additionally, in Cybus's shop: 1 now provides 3 (previously 2). 1 now provides 6 (previously 4). 1 now provides 3 (previously 6).

Version 1.857

Release date	6 March 2025
Official links	No official announcement
New features
St. Patrick's Day 2025 added. Golden cheese added. New shop items.

Version 1.856

Release date	27 February 2025
Official links	No official announcement
New features
New shop items (Candy vs Chocolate 2025).

Version 1.855

Release date	20 February 2025
Official links	No official announcement
New features
New shop items. Added CyTFM to the community interface. CyTFM

Version 1.854a

Release date	14 February 2025
Official links	No official announcement
New features
Dragon 2025 updates: now counts on the adventure calendar. moved from fur to event section of the profile.

Version 1.854

Release date	13 February 2025
Official links	No official announcement
New features
Dragon 2025 added, including a new costume . New shop items.

Version 1.853

Release date	6 February 2025
Official links	No official announcement
New features
New shop items.

Version 1.852

Release date	30 January 2025
Official links	No official announcement
New features
New shop items.

Version 1.851

Release date	23 January 2025
Official links	No official announcement
New features
New shop items. A confirmation dialog box now appears when you try to buy something from an NPC shop.

Version 1.850

Release date	16 January 2025
Official links	No official announcement
New features
New shop items.

Version 1.849

Release date	9 January 2025
Official links	No official announcement
New features
New shop items.

Version 1.848

Release date	2 January 2025
Official links	No official announcement
New features
New shop items.

[Merch] Von Drekkemaus plushie 4 October 2024

Click here to get the Von Drekkemaus plushie from Makeship, until 2 November 2024!

[Merch] Shaman plushie 7 July 2023

Atelier 801 and Makeship got together and created a divine shaman plushie. Buy it here, until 4 August 2023!

[Other] Goodbye Melibellule 12 January 2022

Melibellule is leaving Atelier 801 to pursue a new professional project that is aligned with her values and addresses climate change.

[Game] Tomb Rumble released 15 September 2021

Tomb Rumble is now available to play on Steam.
Transformice badge can be unlocked by buying it from Sallah's shop in Tomb Rumble for 100 coins.

[Game] Antarès 31 July 2019

Space! Adventure! LASERS! Find all this and more in Antarès! Build your own ship and test your skillz against other players, showing everyone who the #1 spaceship pilot is!
Play game

[Game] Transformice Adventures! 18 May 2019

Do you like mice? Do you like fantasy? Do you like epic combat? No? Oh. Well you should check out Transformice Adventures anyways! The game is currently on Kickstarter, and until 7 June 2019 a demo of the game is available to play! You can not only play the game on a browser, but on Steam as well! Join the madness! (Discuss)

[Other] New nickname system 12 March 2018

A # system was implemented for usernames, allowing players to choose any username, even if it was taken before. Players who registered before this system have been given a free name change. This applies to all Atelier 801 games. (Discuss)

[Other] Dead Maze released 13 February 2018

After years of work and months of testing, Dead Maze is now available to play! The recommended way to play is through Steam, although you can also play online at deadmaze.com or on sites such as Armor Games.

[Other] God's Paw minigame 25 April 2017

As part of the Ludum Dare 38, Tigrounette and Melibellule have made a new minigame, God's Paw! It requires no login/password to play and is made in HTML5 instead of Flash. Play game

[1.356] New Community platform. 8 February 2017

"Hello dear mice! Some news regarding the new community platform: the big update will take place this Wednesday. We wanted to make sure that this new platform would be as nice and clean as possible for you to enjoy."

[Other] Win a Transformice plushie! (ends on 1 February 2017) 23 January 2017

Announcement: "Follow us on instagram.com/transformice/ to have a chance to win a Transformice plushie! We will draw one of our lucky followers on February the 1st!" (source)

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