smearle/gym-city
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An interface with micropolis for city-building agents, packaged as an OpenAI gym environment
4 mentions on Hacker News by 2 people: 1 story, 3 comments · first 2019-09-12 · latest 2026-07-27
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…>Sam Earle did exactly this with RL agents trained via quality-diversity methods on Micropolis: https://github.com/smearle/gym-city >[...] Here's more about my plans for making a multi player version of Micropolis with time travel,…
comment by DonHopkins · 2026-07-27 · in PGSimCity - How PostgreSQL Works -
Sam Earle did exactly this with RL agents trained via quality-diversity methods on Micropolis: https://github.com/smearle/gym-city For running locally, I'd recommend the MicropolisCore repo over the one linked in the original post.…
comment by DonHopkins · 2026-02-11 · in Show HN: AI agents play SimCity through a REST API -
…https://arxiv.org/pdf/2002.03896 His gym-city repo wraps Micropolis as an OpenAI Gym environment: https://github.com/smearle/gym-city The interesting finding was that fractal architectures with weight-sharing let agents transfer local…
comment by DonHopkins · 2026-02-11 · in Show HN: AI agents play SimCity through a REST API