Mushroom 11 on Steam - User reviews, Price & Information

An award-winning anti-platformer where destruction is the only way to move. Mold yourself into any form by destroying your cells, and traverse a devastated landscape filled with brain-twisting puzzles and bizarre mutations. Are you ready to break the mold?

Mushroom 11 is a indie, action and adventure game developed and published by Untame.
Released on October 15th 2015 is available in English on Windows, MacOS and Linux.

It has received 673 reviews of which 567 were positive and 106 were negative resulting in a rating of 7.9 out of 10. 😊

The game is currently priced at 14.99€ on Steam.

The Steam community has classified Mushroom 11 into these genres:

Indie Action Adventure Puzzle Platformer Puzzle-Platformer Physics Experimental 2D Atmospheric Post-apocalyptic Music Difficult

Media & Screenshots

Get an in-depth look at Mushroom 11 through various videos and screenshots.

System requirements

These are the minimum specifications needed to play the game. For the best experience, we recommend that you verify them.

Windows

OS *: Windows XP and up
Memory: 2 GB RAM
Storage: 500 MB available space

MacOS

OS: OS X 10.7+
Memory: 2 GB RAM
Storage: 500 MB available space

Linux

OS: Ubuntu 10.04 or SteamOS
Memory: 2 GB RAM
Storage: 500 MB available space
Additional Notes: Linux experience varies on different setups. Let us know if you experience issues with this build.

User reviews & Ratings

Explore reviews from Steam users sharing their experiences and what they love about the game.

March 2025

I've been wanting to play this for a decade now, when I first added this to my wishlist 10 years ago. Recommend: - Unique mechanic that not many games have ever done. - Cool puzzles half the time. - Makes me want to be an amorphous slime. - The difficulty is very forgiving most of the time, checkpoints everywhere and boss health stages are kept between attempts. - The game visuals are awesome, it's a nice looking game. Not Recommended: - Stupid precision platforming segments. - Bad puzzles half the time. - Lack of control, which is the whole gimmick of the game but sometimes the camera itself is your biggest enemy. - Brute forcing tends to work for most puzzles, just go ham on deleting behind self and suddenly you pop through whatever puzzle it was. - Feels like a programmer game that got an art pass and shipped without much testing, I got softlocked at the credits because the player input got disabled during the credits cinematic but the steam overlay opening signal made the game pause so I couldn't unpause it anymore, had to redo the epilogue puzzle and rewatch most of the credits. (Really good art though, pretty game) - The music is obnoxious, some kind of experimental genre, probably interesting a decade ago when it came out but today it just sounds randomly generated by an AI. I imagine that it's probably like those mushroom electrical signal music blasting the same 2-3 notes on repeat, at the end it was droning in my ears and was glad the game was over. - I will not get 100% achievements, it's not the fun kind of completionism but instead the masochist perfectionism type of achievements. If you like unique platformers, this is worth for the unique experience, but be prepared for designed intended jank.

Dec. 2024

This game is honestly pretty cool! The premise of being this slime creature that moves and shapes itself with the mouse is a neat idea and how it plays out in most of the levels are a blast. I always kinda like the idea of becoming some goo monster in a video game that fiddles around with puzzles and getting into a bizzare atmosphere with fungi and decay of an old civilization of the past. The gameplay was fun for the most part but however there were many parts in the game that felt way too annoying with how some of the puzzles played out. Some required some decent thinking while others felt as if you had to mess around until something worked and that could be both good and bad (Mostly bad). Most don't really tell you what to do nor give you any hints, so you had to mostly wander around and jumble until something worked. Ikinda wished there was a better way in taking some of the puzzles and either simplifying it or give the player a little stool to help them. I'm not saying to make the puzzles easy, I just felt that some asked for a little too much time and effort to pass (especially the purple dot puzzles on every level). The world building was also cool too. Granted, it is set in this post apocalyptic world where mankind went extinct and now the whole world is crumbling down with the surviving lifeforms conquering the world, a concept that has been done to DEATH alot in stories. However, I did like finding little hints of how society was before and how it lead to it's downfall but I kinda felt there should be more to explain the whole story. Most of it left like some big puzzle that was only 60% completed and not enough was being told. Either it was the devs plan to not reveal too much to lead to creative theories online or what, it was still fun. The music was also good too. it felt very fitting with each level and I don't think I have any complaints with it. It did it's job and it did it fine. To end it: It was good. I still felt like the puzzles needed to be adjusted a bit but i still found the game fun. I give it a 7.9/10

July 2024

What about Mushroom 1, Mushroom 2, Mushroom 3, Mushroom 4, Mushroom 5, Mushroom 6, Mushroom 7, Mushroom 8, Mushroom 9, or Mushroom 10?

April 2024

This game tells a good story with atmospheric story telling, it has good puzzles that aren't too hard, but do take skill sometimes.

April 2024

While there are a few moments that rely a little too much on finicky physics, it's still a good, fun puzzle game that gives you a single, straightforward tool and doesn't stop until it has competently shown you everything it can be used for. Gameplay aside, it has a nice score, fantastic atmosphere with a style that can switch from bleak to vibrant just screens apart. Lots of visual imagination on display here.

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Data sources

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Additionally, we incorporate data from the SteamSpy API, which offers insights into game sales and player statistics. This helps us present a comprehensive view of each game's popularity and performance within the gaming community.

Last Updates

Steam data	07 April 2025 21:10
SteamSpy data	09 April 2025 23:04
Steam price	13 April 2025 12:42
Steam reviews	11 April 2025 13:46

If you'd like to dive deeper into the details about Mushroom 11, we invite you to check out a few dedicated websites that offer extensive information and insights. These platforms provide valuable data, analysis, and user-generated reports to enhance your understanding of the game and its performance.

SteamDB - A comprehensive database of everything on Steam about Mushroom 11
SteamCharts - Analysis of Mushroom 11 concurrent players on Steam
ProtonDB - Crowdsourced reports on Linux and Steam Deck Mushroom 11 compatibility

14.99€

7.9

567

106

Online players

Developer

Untame

Publisher

Untame

Release 15 Oct 2015

Platforms