Graphics
- Car: User OpenClipart-Vectors on Pixabay.com
- Asphalt: User PagDev on OpenGameArt.org
- Grass: User para on OpenGameArt.org
- Sky: User devnewton on OpenGameArt.org
Fonts
- Dymaxion Script: User Nick Curtis on 1001fonts.com
Icons
- GNOME Desktop icons from Wikimedia Commons