Claude Opus 5.5 + ChatGPT built 20 unique buildings for this city builder overnight

ChatGPT creates the concept sheets and material swatches

Claude turns them into 3D models using Blender scripts

it then makes the textures seamless and puts everything directly into Godot

the entire visual style lives in one reusable material library, so every new building automatically matches

one house can instantly become multiple wall and roof variations without rebuilding anything

the same workflow also helped push the game from 8–10 FPS to over 100 FPS on an RTX 4060

this is what AI game dev looks like when models handle the repetitive work and the developer focuses on taste and direction