Copa
Game Assets - Good Stuff
Loads of good assets, from sprite sheets to music. Be sure to credit whomever when necessary. & prob should even when it's not necessary. (Unless it's stand-in assets while you work towards your own, but even still. Temporarily give credit...
32x32 pixel mart icons
Public domain sci fi inventory sprites.
500 Sprites, 3 Heroes, 8 enemies, 50 Weapons
1-Bit RPG asset pack with a minimal pallet and designs that pop.
Public domain city-themed tileset.
Space Shooter Game Pixel Art