Game · Claude Opus 5.5
Build a Mario Kart-style racer with 3JS
Build a Mario Kart-style racer with 3JS. Tony links Turbo Kart GP and credits Opus 5.5 with a multi-agent Three.js workflow. The reported tracks, items, controls, runtime and cost come from the author and have not been independently audited.

Reusable prompt
Editorial reference template. This is not a verified transcript of the creator’s prompt and has not been verified to reproduce the displayed result.
Build an original browser kart racer in Three.js. Start with one complete track, checkpoint validation, drifting, a small set of items and CPU rivals. Add keyboard and touch controls plus restart and lap timing. Verify a full race before expanding tracks or claiming feature completeness.
How to use this prompt
- Copy the complete prompt.
- Adapt the subject, inputs, and constraints to your project.
- Run it with Claude Opus 5.5, then inspect and refine the result.