All Opus 5.5 videos › 3D scenes

~134KB realtime city demo with procedural assets and sound

by gandamu (@gandamu_ml) · Sep 24, 2026

Here's a ~134KB realtime city demo created by Opus 5.5 People were asking me about the size of the demo I posted last night. So here's another thing. "grand theft code" is a bit of a cheeky name. I know a lot of it is RL code and that humans are just the bootstrap. https://t.co/KqDujagFub
— gandamu (@gandamu_ml) Sep 24, 2026

What they asked for

A summary of how the author describes the request. It is not their exact prompt.

Asked it to build a procedural-generation system for geometry, textures, samples, and music, then generate all assets with it.

Described by @gandamu_ml in the post

Category: 3D scenes
Stack: Physics, AI music
From the author: ~134KB; made in a morning
On X: 146 likes · 10K views · 40 saves

More 3D scenes

3D scenesPart of prompt1:00

Interactive feudal Japan riverboat scene with weather and day-night cycle

@MengTo♥ 6.5K

Three.jsPhysicsAI image

3D scenesPrompt0:18

Interactive 3D watermelon jelly slice with soft-body wobble

@vib3coded♥ 2.1K

3D scenesPart of prompt0:18

3D gym builder with hundreds of modeled equipment pieces

3D scenesPrompt0:09

Scenario Blender-generated 3D scene or animation

@emmanuel_2m♥ 1.3K

3D scenesPrompt0:08

Historical Blender recreation of 1906 San Francisco Market Street

@alexalbert__♥ 1.1K

3D scenesPrompt0:24

20-second Blender scene of Itsukushima Shrine building from CAD drawings

@Ayu_AI_0912♥ 871

3D scenesPrompt0:52

Interactive cyberpunk lower-city 3D sandbox in Three.js

@akakuma0219♥ 746

3D scenesPart of prompt0:04

Blender-made cute 3D character animation and model turnaround

@manaimovie♥ 696

BlenderAI image