The fruit fly's brain is training on Battletoads brain. It has not beaten the first punch. Yet.

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Summary

A computational experiment uses a complete reconstruction of a fruit fly's brain to live-train on Battletoads, aiming to beat the first stage through reinforcement learning and self-imitation.

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Cached at: 09/26/26, 03:27 AM

# The fruit fly's brain is training on Battletoads brain. It has not beaten the first punch. Yet. **Channel:** Inevitable_Emu2722 Source: [https://www.youtube.com/watch?v=Aj9OepFTF-s](https://www.youtube.com/watch?v=Aj9OepFTF-s) ## Description The complete FlyWire reconstruction (138,639 neurons, 15,091,983 connections, Shiu et al. AlphaLIF) is live-training Battletoads Stage 1 — not a replay: every rollout decision, whole-brain activity, exact facet-mosaic retina, and a real fly leg on the NES controller. - Frozen connectome, signs included; PPO + self-imitation of its own trajectories only - New in this run: temporal working memory (the policy now sees its own previous decision) and self-imitation of near-win fights - Every episode starts at the true Stage-1 opening; RAM is reward-only, never policy input; no human demos - Watch for the first fight unlock: the fly finally beating the first zitz Status: it engages (punches, kites) — the first KO is the milestone. 🥊 Live telemetry: decisions, episode, record, unlocks on the right. Battletoads Level 1 (Ragnarok's Canyon) theme — David Wise. No flies were harmed on this training. Computational experiment on reconstructed connectivity — not a biological claim. Private stream; game footage © Nintendo/Rare (Tradewest).

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