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Transformice

Transformice

Transformice is an MMO platformer about dozens of mice running to bring back the cheese! Will the almighty Shaman help you or just ruin everything? Millions of levels, hectic physics, skill trees, and more importantly... hats!

Released Jan 30, 2015 Developer Atelier 801 Platforms Windows · Mac · Linux Free to PlayMultiplayerMassively MultiplayerFunny2D
View on Steam ↗ Free (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

87.9%positive27,661 reviews

What reviewers agree on

Praised
Criticised
Bar length = how many of the 104 reviews raise the point On criticised points, the pale part = reviewers who still recommend the game Select a point to see the exact counts and what reviewers wrote.

Counted across 104 English reviews, sampled to match this game's 87.9% positive rating · as of 2026-05-20

Recommended · 6 found this helpful

“hmmmm nostalgia hmmm cheese hmm- the mods pmo by being nonexistent when actual heinous things are occuring in chat (or cheaters) or deciding a joke/convo between friends requires a 72 hour mute (the caucasity in poc spaces). still playing it though, just not through steam cause…”

— a player, Steam review · 26 hrs played
Recommended · 4 found this helpful

“This ♥♥♥♥ is great. I remember playing this game for the first time almost a decade ago.”

— a player, Steam review · 17 hrs played
Not recommended · 13 found this helpful

“I love this game and its nostalgia, but it NEEDS moderation.”

— a player, Steam review · 118 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 12:18 UTC · history via SteamCharts.

653playing at last check
1,39024-hour peak
5,542all-time peak
0 2.5k 5k 2015 2017 2019 2021 2023 2025 2.2k avg · Feb 2015

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

14achievements
14.7%median completion
4.5%rarest: Immortal Shaman
61.6% of players 28.4% of players 26.2% of players 20.3% of players 19.5% of players 16.5% of players 15.3% of players 14.7% of players 11.7% of players 10.2% of players 9.6% of players 6.2% of players 5.8% of players 4.5% of players 61.6% 0% most earned rarest
Almost everyone has
61.6%Here! Cheese! — Get 1 cheese
28.4%Fast Mouse — Bring back the cheese first once
26.2%Adorable Mouse — Buy 2 hats in the shop
Rarest badges of honor
4.5%Immortal Shaman — Save 10 000 mice as a Shaman
5.8%Stalker — Bring back the cheese first 500 times
6.2%It's Over 9000! — Get 9001 cheese

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

Freecurrent · sampled 2026-07-26 08:39 UTC
Freelowest since tracking began2026-07-11

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Jul 04, 2025
The Great Relic Fishing Expedition!

Ahoy, fellow mice! Indiana Mouse here, reporting live from the swampiest depths of adventure! I’ve sniffed out a lake full of ancient relic shards just waiting to be reeled in by fearless little paws.

May 01, 2025
Transformice Turns 15!

Can you believe it? 15 years of cheese-chasing chaos, cannonball catastrophes, and glorious shaman fails! To celebrate this brie-lliant milestone, we're going all out: 🧀 TRIPLE XP & TRIPLE CHEESE for

Oct 29, 2024
Transformice & MakeShip bring you Lord Archain von Drekkemaus!

Only a few days left to get your paws on our Lord Archain von Drekkemaus plushie from MakeShip. This cutie is only available until the 1st of November 2024. You can also get an adorable in-game badge

Oct 24, 2024
Spooktacular Halloween Event: Collect Candies for Epic Rewards!

Get ready for a spine-chilling adventure, mice! This Halloween, collect as many candies as you can while navigating through haunted maps. Exchange your sweet loot for exclusive spooky rewards that wil

Sep 19, 2024
Breaking Mews: Mice Magic Makes Miraculous Comeback!

Greetings, my whisker-twitching friends! Cesar the builder mouse here, reporting live from the ruins of our beloved Magic School. Hold onto your tails, because we've got a mammoth task ahead of us! Ou

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresFree To Play, Indie, Massively Multiplayer
Player tagsFree to Play · Multiplayer · Massively Multiplayer · Funny · 2D · Platformer · Casual · Cute · Racing · Adventure · Online Co-Op · Indie (SteamSpy community voting)
FeaturesMulti-player · MMO · Steam Achievements · Steam Trading Cards · Includes level editor
LanguagesEnglish, French, Italian, German, Spanish - Spain, Arabic, Bulgarian, Czech, Danish, Dutch, Finnish, Hungarian, Japanese, Norwegian, Polish, Portuguese - Portugal, Portuguese - Brazil, Romanian, Russian, Simplified Chine…
Achievements14
Estimated owners2,000,000 – 5,000,000 (SteamSpy)
Official sitehttp://www.atelier801.com
Minimum system requirements (PC)

Minimum: OS *: Windows XP Processor: 1 GHz Memory: 512 MB RAM Storage: 60 MB available space