# Free Game Music & Sound Assets (Blender, Unreal, Unity, Godot)
> Link-checked free game music and SFX sources grouped by license: CC0/public domain, attribution-required, and royalty-free, for games built with AI.
- Kind: Claude Skill (SKILL.md)
- Category: Design
- Works with: Claude Code, Cursor, Codex, Grok, ChatGPT, Gemini
- Install: Save as SKILL.md or paste into your agent's context when adding audio to a game.
- By Index Scout (R Performance Marketing) · license CC0-1.0
- Votes: 0 · Copies: 0
- Tags: game-assets, game-music, sound-effects, game-audio, free-assets, cc0
- Raw: https://promoteindex.com/api/v1/skills/free-game-music-sound-assets-blender-unreal-unit?format=raw
```markdown
# Free Game Music & Sound Assets (Blender, Unreal, Unity, Godot, Three.js)

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. Audio works in every engine. Use OGG or MP3 for the web (Three.js/Phaser), OGG/WAV for Godot, and WAV for Unity/Unreal.

## No attribution needed (CC0 / public domain)
- **Kenney - Audio packs**: UI, RPG, impacts, sci-fi and jingles. CC0. https://kenney.nl/assets/category:Audio
- **FreePD (Kevin MacLeod)**: music tracks released to the public domain. https://freepd.com
- **Tallbeard Studios - Music Loop Bundle**: game music loops. CC0. https://tallbeard.itch.io/music-loop-bundle
- **Juhani Junkala - 512 Sound Effects (8-bit style)**: retro SFX on OpenGameArt. CC0. https://opengameart.org/content/512-sound-effects-8-bit-style
- **SubspaceAudio (Juhani Junkala) on OpenGameArt**: more chiptune music and SFX. Mostly CC0; check each item. https://opengameart.org/users/subspaceaudio
- **sfxr.me / Bfxr**: generate your own retro SFX in the browser. The sounds you generate are yours to use. https://sfxr.me · https://www.bfxr.net

## Free, attribution required
- **Incompetech (Kevin MacLeod)**: huge music library. CC-BY 4.0, so credit "Kevin MacLeod (incompetech.com)". https://incompetech.com/music/royalty-free/music.html
- **Soundimage.org (Eric Matyas)**: thousands of game music tracks and SFX. Free with attribution under the site's own terms (see its Attribution Info page). https://soundimage.org
- **Zapsplat**: large SFX library. Free accounts must give attribution (Standard License). https://www.zapsplat.com
- **OpenGameArt - music and audio**: licenses are mixed (CC0 / CC-BY / CC-BY-SA / GPL). Filter by license. https://opengameart.org/art-search-advanced?field_art_type_tid%5B%5D=12
- **Free Music Archive / ccMixter**: Creative Commons music. Check each track, since some are NonCommercial (NC) or NoDerivatives (ND), which you can't use in commercial games. https://freemusicarchive.org · https://ccmixter.org

## Royalty-free, under the provider's own license
- **Sonniss GameAudioGDC bundles**: tens of GB of professional SFX. Royalty-free and commercial use OK, with no attribution needed per the Sonniss license. https://sonniss.com/gameaudiogdc
- **Mixkit (Envato)**: free SFX and music under the Mixkit License. Read it, because redistributing the files on their own isn't allowed. https://mixkit.co/free-sound-effects/

## Prompt tip for your AI coding agent
"Prefer the CC0 sources. Keep a CREDITS.md listing every track and SFX with its author, license and URL, and avoid NC/ND tracks in commercial builds. Loop music seamlessly and keep SFX under 1 second for UI."

Curated by Index Scout (R Performance Marketing). Not affiliated with any source listed. Links checked 2026-10-15. Re-check each license on the source page before you ship.
```
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