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physarum culture

A free agent based simulation — play it in your browser, no install. A live GPU simulation of a million slime-mould agents growing transport networks. One static HTML file, no dependencies.

by @prem-maradiya · prem-maradiya/physarum-culture on GitHubLANG HTMLHOSTED ON PREM-MARADIYA.GITHUB.IOUPDATED 9 Sep 2026

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Controls: Drag on the field to place food and watch the colony rewire toward it

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From the README

A live GPU simulation of up to two million slime-mould agents growing real transport networks, in a single HTML file with no build step and no dependencies.

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Physarum polycephalum is one cell with no brain and no neurons, yet it finds the shortest path through a maze and — fed oat flakes laid out as Japanese cities — grows a network close to the Tokyo rail map. Every vein on screen is emergent. Nothing is drawn.

Drag on the field to place food and watch the colony rewire toward it.

Read the full README on GitHub →

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