Playco turned one grey-box kart prototype into 3 Unity games with GPT-6 Astra
mhdfaran · x · 2026-09-04
Game studio Playco fed GPT-6 Astra a single grey-box kart prototype and got three full themed Unity games — pirate, candy, cyberpunk — in one go. Most worked on the first try, manual fixes dropped 50% vs the previous model, and Astra played the games inside Unity to find and patch its own bugs. The first data-backed look at Astra in a real game-dev workflow.
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