Opus 5.5 builds a drivable Mars GT demo from code

Aman @mdaman010Originally posted 2026.10.05

Open original on X

One reference image a fully drivable Mars GT demo. 🚗 Made with Claude Opus 5.5 + @threejs Every pixel and every sound is code. Zero downloaded assets. Drive a GT down the hills into a valley surrounded by towering red cliffs. The car, terrain, trees, buildings, engine sound, and entire environment are all generated through code. → 42 sessions → 23h 42m active → +10.5K lines of code → ~$259 at API pricing 🔗 Play it: https://mars-gt.vercel.app

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