# Solo developer builds browser-based cyberpunk open world with Claude Opus 5.5

> Original title: I built a cyberpunk GTA-style open world using Claude Opus 5.5 + Three.js.

- Source: X search: indie AI launches (I built, solo founder)
- Published: 2026-10-28T16:44:01.000Z
- Bad Influence: https://badinfluence.news/items/z37tbezzeu4nwdj6ux4sr6gan
- Original: https://x.com/hasibdreamer35/status/2115484745337647346

## Summary

A solo developer says they built NEON NEXUS, a cyberpunk GTA-style open world, using Claude Opus 5.5 and Three.js. The game lets players drive, explore, and fight in a browser with no downloads, at https://mdhasibul35.github.io/Neon-Nexus-GTA/.

## Post

I built a cyberpunk GTA-style open world using Claude Opus 5.5 + Three.js.

Drive. Explore. Fight. Build your own neon empire.

Runs entirely in your browser. No downloads.

Play NEON NEXUS: 
https://mdhasibul35.github.io/Neon-Nexus-GTA/

[Video](https://badinfluence.news/api/img-proxy?u=https%3A%2F%2Fpbs.twimg.com%2Famplify_video_thumb%2F2115483557678419968%2Fimg%2Fk5r4SOYesdBjV3t8.jpg&mode=thumb&exp=1793491200&sig=d729092d55f7f500)