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Browser-based first-person Three.js game with swimming, boat, and inventory mechanics

by Max (@maxt3chno) · Sep 27, 2026

8 hours total and people already DO NOT believe I made it with Opus 5.5 YES, it just used 58% of my weekly quota YES, it's just a basic $20 sub YES, it's just three.js YES, almost everything you see there was made by Opus 5.5 YES, i imported some custom 3D models i generated in meshy (boat, weapon, bed) and YES, Elon Musk already liked the thread while "somebody" in the replies keeps writing that the game isn't real xD anthropic built the real deal. opus 5.5 capabilities are actually terrifying. AGI is closer than ever
— Max (@maxt3chno) Sep 27, 2026

Prompt

The author shared part of the prompt.

PROMPT PART 3 (Parts 1 & 2 are in the previous posts):
Add:
• Footprints on the sand
• Drivable boat
• Swimming mechanics
• Ability to lie down to sleep
• Functional backpack / inventory
• Bug fixes

Prompt by @maxt3chno, from their reply

Category: Games
Stack: Three.js
Made with: Three.js, Meshy
Opus effort: xhigh
From the author: 8 hours total; used 58% of weekly quota; basic $20 sub; effort levels from medium to extra
On X: 607 likes · 51K views · 309 saves

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