Testing AI long-horizon reasoning by playing Factorio in an E2B sandbox

badphilosopher · x · 2026-08-08

A developer used an E2B sandbox to let PrimeIntellect's new self-improving agent play the game Factorio. The game serves as a long-horizon test of the agent's world model: it must learn a new system, predict the consequences of its actions, and adapt when its assumptions are proven wrong. This level of complex reasoning requires a persistent sandbox like E2B to keep the game running and retain its state while the agent works.

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