PCGame

Mushroom 11

A puzzle platformer controlled by erasing a constantly regrowing organism

Untame · Released Oct 15, 2015

ActionAdventureIndie

Reviews
Very Positive
88% of 152
Recent reviews
Not enough recent
Players
0
daily peak, Oct 30, 2026
Steam Deck
Verified
Last update on Steam
10 years ago
May 4, 2016
Minimum PC
2 GB RAM · 0.5 GB disk
Full requirements

Metacritic: 78/100 (critic reviews)

What is Mushroom 11?

In this 2D puzzle platformer, you guide an organism through a post-apocalyptic world to uncover the nature of the devastation. Removing cells triggers new growth, letting you reshape its body to cross obstacles and get past mutated creatures.

For you if...

  • +you like physics puzzles that demand patience and experimentation

Not for you if...

  • −you want a detailed story that clearly explains its world

What players say

88% of 152 reviews are positive

Players praise the unusual movement system, visual design, and atmosphere. Common complaints center on frustrating difficulty spikes and unpredictable regrowth that can make solving puzzles feel dependent on luck.

Screenshots and trailer

Mushroom 11 screenshot 1

Mushroom 11 system requirements

Minimum: 2 GB RAM, 0.5 GB of disk space.

As published by the developer.

Can my PC run Mushroom 11?

The published requirements do not name a graphics card we can compare.

Set up my PC →

Minimum

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

Does Mushroom 11 have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does Mushroom 11 run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

  • All functionality is accessible with the default controller configuration
  • In-game text is legible on Steam Deck
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows, macOS, Linux
Achievements
35
Steam features
Family Sharing, Trading cards
Languages
Text only: English.

Does Mushroom 11 use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam

Tags

Recent updates

1 DLC available.

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