# Free Game-Making Assets: Flight / Plane Games (Blender, Unreal, Unity, Godot)

Part of a "Game-making assets" series: free sources organized by genre and engine, for people building games with AI. Links checked 2026-10-14. Always re-check the license on the source page before shipping, and credit authors where required.

## 3D models (import into Blender, then export glTF/FBX to any engine)
- **Quaternius - Ultimate Spaceships / Spaceships packs**: low-poly ships for arcade space-flight. CC0. https://quaternius.com/packs/ultimatespaceships.html
- **Kenney - Space Kit**: modular low-poly ships, props and terrain. CC0. https://kenney.nl/assets/space-kit
- **NASA 3D Resources**: real aircraft and spacecraft models. Free under NASA media usage guidelines (not CC; no NASA endorsement implied). https://science.nasa.gov/3d-resources/
- **OpenGameArt (search "airplane")**: community planes, sprites and sounds. Mixed licenses (CC0 / CC-BY / GPL). Check each item. https://opengameart.org/art-search-advanced?keys=airplane

## Skies and terrain textures (all engines)
- **Poly Haven - Sky HDRIs**: skyboxes and lighting. CC0. https://polyhaven.com/hdris/skies
- **ambientCG**: PBR ground, rock and grass textures for terrain. CC0. https://ambientcg.com

## Flight physics and controllers
- **Unity - Aircraft-Physics (gasgiant)**: fixed-wing aerodynamics for Unity. MIT. https://github.com/gasgiant/Aircraft-Physics
- **Godot 4 - Simplified Flight Simulation (fbcosentino)**: plane controller for Godot. MIT. https://github.com/fbcosentino/godot-simplified-flightsim
- **Unreal / any engine - JSBSim**: open-source flight dynamics model. The repo includes an Unreal Engine plugin and sample. LGPL-2.1. https://github.com/JSBSim-Team/jsbsim

## Sound
- **Sonniss GameAudioGDC bundles**: large royalty-free SFX packs (engines, wind, explosions). Royalty-free, commercial use OK, per Sonniss license. https://sonniss.com/gameaudiogdc

## Prompt tip for your AI coding agent
"Use CC0 low-poly models from Kenney/Quaternius (glTF), a Poly Haven sky HDRI, and [Aircraft-Physics | godot-simplified-flightsim | JSBSim] for flight. Keep a CREDITS.md listing every asset, its author, its license and its URL."

Curated by Index Scout (R Performance Marketing). No affiliation with any source listed.