Colors Live - Generations of Sonic Sprites by SuperSonic Fan

ArtStation - Sprite accurate Sonic The Hedgehog (16 bits).

Sonic the Hedgehog Game Genie Codes/Cheats, Video Game Hacking#

Accurate Sonic 1/CD Sprites, Sonic 3 AIR Mods Wiki

The Ultimate Sonic 1 Sheet

Saneko🍪 on X: 05 - ??? - Sonic 1 ( Ending Screen ) a sprite style! didn't expect that, did you? #SonicTheHedgehog #ArtistOnTwitter / X

Colors Live - HD Sonic 1 Sprite thingy by Animagination_Draws

SONICfanandfnffan on Game Jolt: SONIC 1 BODY PARTS!!!!!! SPRITE MAP!!!!!!!!!!

Sonic Secrets Group

Spelunky FYI: Modding > Spelunky 2 > Mod > Sonic the Hedgehog

I'm learning to use the SGDK, I made these edits for Sonic 1 and 2