Link Steam
indiegame.fan
PHYSARUM: Slime Mold Simulator header art

PHYSARUM: Slime Mold Simulator

PHYSARUM is a sandbox simulation game. Simulate the real world slime mold Physarum polycephalum by generating millions of living particles. Create and mutate slime species in real time to discover countless mesmerizing and emergent patterns.

Steam Page
Developer
Ka Hin Yuen
Publisher
Ka Hin Yuen
Release
August 29, 2021
4 years and 339 days ago
Steam Reviews
Positive21 reviews90.5%

Does this feel indie?

Vote based on whether this game feels indie to you. You can change your vote at any time. Results earn an IGF score after 10 accepted votes.
No votes yet
Vote on More Games
Game contextLatest: IGF Team
ContextThe evidence factors used to assess whether this game belongs on IndieGame.Fan.Status
Notes
Latest Contributor: IGF TeamEdit notes
Updated: Jul 11, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 11, 2026Publisher scaleThe operating scale of the game's publisher.
Updated: Jul 11, 2026Publisher statusHow the game's publishing relationship is classified.
Search Google: How is PHYSARUM: Slime Mold Simulator and Ka Hin Yuen funded?FundingThe known source of funding behind the game.
Search Google: Who controls the creative direction and IP for PHYSARUM: Slime Mold Simulator and Ka Hin Yuen?Creative controlWho appears to retain creative control of the game.
Updated: Jul 11, 2026Release statusWhether and how the game has been released.

Media

15 items

About the Game

A mesmerizing and relaxing simulation sandbox.

Watch the slime mold Physarum polycephalum grow in real time as you tweak and mutate its properties. Learn about the real life organism and discover different ways to manipulate its behavior. Encounter countless unique and organic looking patterns with a seemingly simple multi-agent chemoattractant system.

Features

  • Watch as many slimes as your computer can handle interact with each other
  • Discover new and unique patterns and share them with others (Join our Discord!)
  • Create environments with drawings, images, videos, or a live feed from your webcam and watch the slimes take its form
  • Watch different slimes transform into each other with the morph system

Indie Game Fan