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open world

A free browser game — play it in your browser, no install. A 3D browser game you change by chatting with AI: describe a change, preview a private version, share the one you like. Live at open-world.gg

by @fainir · fainir/open-world on GitHubLANG HTML★ 3HOSTED ON FAINIR.GITHUB.IOUPDATED 30 Oct 2026

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Controls: /account downloads a scoped ZIP with profile, chat, version metadata and owned…

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From the README

A 3D open world in your browser that you change by describing it. Drive, glide and explore a city, a beach and mountains, then type a change ("add a day and night cycle", "put ramps on the beach") and AI edits the game. Every change is a new private version you can try, keep or throw away; share only the one you like.

Play it now: open-world.gg (no install, runs in the browser)

Play first. The game runs without an account. Change it in plain words. Each request becomes a new version, private until you share it. Share and play others' games.

Read the full README on GitHub →

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