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Snake Brain Transplant Simulator

A free snake game — play it in your browser, no install. Give the snake a brain and watch it learn. Evolution, reinforcement learning, and real fly and worm connectomes, in F# in the browser.

by @tzasadil · tzasadil/Snake-Brain-Transplant-Simulator on GitHubLANG F#HOSTED ON TZASADIL.GITHUB.IOUPDATED 24 Oct 2026

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From the README

A Snake game in F# with swappable brains. Give the snake a brain and watch it learn, or watch the best snake of any past generation.

Watch it evolve in your browser

How well each brain learns, with the controls behind each claim: experiment reports.

The rays rotate with the snake, so "left" always means the snake's left.

Used by the fruit fly, worm, neural net, NEAT, and program tree.

Used by the Q-table and spiking + dopamine.

As in NEAT (Stanley and Miikkulainen 2002).

A real fly brain circuit from the male fruit fly connectome.

The whole nervous system of the roundworm C. elegans.

Read the full README on GitHub →

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