Sonic 1 Delta - SSRG Demo release

Custom / Edited - Sonic the Hedgehog Customs - Super Sonic (Sonic 1/CD-Style) - The Spriters Resource

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

Pixilart - Sonic 1 : runing sprite with Gron by AaRon-The-Hedge

Sonic Sprites by SpongeDrew - Pixilart

Sonic 1/CD Sprites (Expanded) by I-like-Sonic-91 on DeviantArt

Early Style Sonic 1 Sprites in Sonic the Hedgehog 1

HEDGESPIN Framework (SAGE '21 Example Demo)

A bunch of Sonic sprites by PacManfan64

Custom Sonic Sprites Sheet - Sonic 1 Styled by AsuharaMoon on DeviantArt

my crappy sprite edit of the sonic sprite from sonic 1 edited to look sorta like modern sonic : r/SonicTheHedgehog