neat-playground / perception → decision → action

Evolution

Watch an evolved neural network play in real time. See how it reads the world through its sensors, activates its neurons, and decides whether to act. Every signal, every connection, every choice.

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Species through time

click the chart or drag the generation slider
population share — persistent lineages + selected species
progress shape — training and held-out each indexed to its own peak

Strategies alive at this generation

Exact live replay

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THE WORLD + SENSOR OVERLAYS
THE NETWORK — LIVE ACTIVATIONS
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All live sensor values