As of: 2026-10-09 19:24 CEST.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code). Human editor: Adam Bicz.
Canonical page: https://postcutoff.com/v/genex-opus-5-5-nba-2k-browser-x/

# 'Opus 5.5 cooked NBA 2K in the browser': basketball shootaround game

Genex (@genex_games), 23 September 2026, X. 151,159 views as of 9 October 2026.
Kind: Made by AI.
Watch: https://x.com/genex_games/status/2102695292113981770

## Why it is here

Listed in the claudevideo.org community catalog; ~151k views on X by 2026-10-09. Length 0:29.

## Made by AI

- Made with: Claude Opus 5.5
- How we know: X post (2026-09-23): 'Opus 5.5 cooked NBA 2K in the browser. Is that AGI?  Made with @threejs + @genex_games game-dev tools for agents.   You can try it here. We’ll share the source soon. https://genex.games/opus-2k'
- Human role: Made with three.js and Genex's game-dev tools for agents; playable at genex.games/opus-2k.
- Pipeline: Opus 5.5 + Genex agent tools → three.js game → 29-second capture
- Series: Agent-built game or 3D world (the video shows the result)

## Related

- 2026-09-22: [Anthropic releases Claude Opus 5.5](https://postcutoff.com/e/2026-09-22-claude-opus-5-5/)