PHYSARUM: Slime Mold Simulator - Grow Organic Patterns in Real-Time

7/15/2026, 4:27:05 PM

Release date: 8/29/2021

Tags: #simulation #sandbox #casual #science #education #procedural-generation #god-game #psychedelic

User Reviews

Score: 90%Positive
Review Count: 21 reviews
Fetched At: 8/29/2026, 8:12:12 AM

Reference prices

Japan

¥ 620 (JPY)

Steam JP

$5.99 (USD)

Steam Global

Live Store Snapshot

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Japan Price: ¥ 620
Global Price: $5.99
Price in Your Region: ¥ 620Prices as Steam lists them per country. What you are actually charged depends on your Steam account settings.Regional prices checked: 28 Aug 2026
Sale Status: Regular pricing
Price Checked At: 8/28/2026, 7:17:36 PM

Key highlight

PHYSARUM: Slime Mold Simulator is a relaxing indie sandbox game where you observe and manipulate the real-time growth of Physarum slime mold, creating organic patterns with custom environments.

Who this is for

For a uniquely relaxing and contemplative experience, PHYSARUM: Slime Mold Simulator is highly recommended. It's a perfect blend of scientific curiosity and aesthetic appreciation.

Details

Overview

PHYSARUM: Slime Mold Simulator offers a unique and relaxing sandbox experience centered around the fascinating Physarum polycephalum organism. Developed and published by Ka Hin Yuen, this indie simulation game invites players to observe, manipulate, and experiment with slime mold growth in real time. It's a casual and educational journey into the world of procedural generation and emergent behavior.

Highlights

Real-Time Slime Growth: Witness the Physarum slime mold grow and evolve dynamically on your screen, with the ability to simulate as many slimes as your system can handle.
Creative Environment Manipulation: Design unique environments for the slime mold using drawings, images, videos, or even a live webcam feed, and observe how the organism adapts and takes shape.
Educational Sandbox: Learn about the real-life Physarum polycephalum organism while exploring countless organic patterns generated through a simple yet effective multi-agent chemoattractant system.

Who It's For

This game is perfect for players seeking a calming and contemplative experience. It appeals to those interested in science, biology, and the beauty of emergent systems. If you enjoy sandbox games, educational simulations, or simply want to unwind by watching intricate patterns form, PHYSARUM is a great choice. Its casual nature also makes it suitable for family sharing.

Game Info

PHYSARUM: Slime Mold Simulator is a single-player simulation and sandbox game released on August 29, 2021. It focuses on procedural generation and offers a unique educational perspective on biological processes. The game supports English with full audio.