Sonic 1 Delta - SSRG Demo release

Improved Sonic 1 Sprites [Sonic the Hedgehog (2013)] [Mods]

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

Sonic Adventure Sprites

Sonic 1 sprite HD : r/SonicTheHedgehog

Genesis / 32X / SCD - Sonic the Hedgehog - The Sounds Resource

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

The VG Resource - The Ultimate Sonic 1 Sheet

AudioReam on X: I have done one of Sonic's 'I'm Outer Here' Sprites from the 0.02 Sonic CD Prototype as a Sonic 1 styled Sprite. / X

NajoiiDoddle on Game Jolt: Comparison between Sonic and Fake

A bunch of Sonic sprites by PacManfan64