Neurocraft Fly

Facts

Announced: Minecraft project that uses the neural activity of a model built from 166,700 neurons to move a fly in the game (September 5) · 2026-09-08
Noted: The demo responds to six inputs: player approach, nearby mobs, brushing, attacks, food, and light. · 2026-09-08
Noted: It does not reproduce natural physiology or behavior; it selects prepared actions based on readout signals chosen by a person. · 2026-09-08
Noted: The mod puts a real biological connectome, the MaleCNS v1.0 fruit fly map Google and Janelia released, inside Minecraft · 2026-09-08
Noted: letting players watch a 166,700-neuron model drive in-game behavior · 2026-09-08

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1h ago

Minecraft Mod Drives a Fly with a Real 166,700-Neuron Connectome

Developer Evan Smith announced NeuroCraft Fly on September 5, a Minecraft project that uses the neural activity of a model built from 166,700 neurons to move a fly in the game. The demo responds to six inputs: player approach, nearby mobs, brushing, attacks, food, and light. It does not reproduce natural physiology or behavior; it selects prepared actions based on readout signals chosen by a person. The underlying MaleCNS v1.0 dataset was built by HHMI Janelia and Google Research.