GPT-6 Astra-built Mario Kart-style browser game hits playable alpha 0.3 in Three.js

DeryaTR_ · x · 2026-09-05

DeryaTR built a Mario Kart–style racing game with GPT-6 Astra, running fully in the browser on Three.js, now at alpha 0.3.

Features six toy cars, four festival-themed tracks, close overtakes, collisions and comeback moments; coins collected while racing can buy new parts and upgrades in the garage. Playable link shared, feedback welcome.

Related event: Developer Builds Playable Mario Kart-Style Game with GPT-6 Astra(2 posts)→

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