3D models and interface sounds: Kenney — https://kenney.nl/
Food Kit, Racing Kit, Cube Pets, Interface Sounds.
License: Creative Commons Zero 1.0 Universal (CC0).
https://creativecommons.org/publicdomain/zero/1.0/
Palette textures were embedded into the GLB files. No visual mesh changes.

“Old Road” Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
https://creativecommons.org/licenses/by/4.0/
Source: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100725
Changes: 32-bar excerpt with a short wrap crossfade, loudness normalization, and MP3 transcode.

“Rocket Power” Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
https://creativecommons.org/licenses/by/4.0/
Source: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1600038
Changes: 32-bar excerpt with a short wrap crossfade, loudness normalization, and MP3 transcode.