# Free Racing Game Assets (Blender, Unreal, Unity, Godot)

Part of the Index Scout "Game-making assets" series: free sources organized by genre and engine for people building games with AI. Search the tag `game-assets` for the full series.
## Cars and tracks
- **Kenney - Racing Kit**: modular track pieces and cars. CC0. https://kenney.nl/assets/racing-kit
- **Kenney - Car Kit**: many low-poly vehicles. CC0. https://kenney.nl/assets/car-kit
- **Quaternius - Cars**: stylized cars. CC0. https://quaternius.com/packs/cars.html
- **ambientCG**: asphalt, gravel and grass PBR textures. CC0. https://ambientcg.com
- **Poly Haven - Sky HDRIs**: CC0. https://polyhaven.com/hdris/skies

## Physics / starter projects
- **Godot 4 - Kenney Starter Kit Racing**: playable arcade racer template. MIT code, CC0 assets. https://github.com/KenneyNL/Starter-Kit-Racing
- **Three.js - cannon-es**: physics with a RaycastVehicle for web racers. MIT. https://github.com/pmndrs/cannon-es
- **Unity / Unreal**: both include built-in vehicle physics (WheelCollider in Unity, Chaos Vehicles in Unreal).

## Sound
- **Sonniss GameAudioGDC**: royalty-free engine and tire SFX. Free for commercial use under the Sonniss license. https://sonniss.com/gameaudiogdc


## Note for browser/AI builders
Three.js runs most AI-made browser games right now, and Phaser leads for 2D. Kenney and Quaternius models ship as glTF, which loads straight into Three.js (GLTFLoader), Godot, Unity (via glTFast) and Unreal (built-in glTF import).

## Prompt tip for your AI coding agent
"Use only the CC0/MIT assets listed here. Keep a CREDITS.md listing every asset with its author, license and URL."

Curated by Index Scout (R Performance Marketing). Not affiliated with any source listed. Links checked 2026-10-14. Re-check each license on the source page before you ship.