Colors Live - HD Sonic 1 Sprite thingy by Animagination_Draws

Colors Live is a simple and fun painting application

Sonic 1 Styled Hanazuki by JonGandee on DeviantArt

Prism on X: What initially started off as a collab to recreate Sonic's tokyo toy show sprites, evolved into making a small mockup of not only that scene, but also turning one

Sonic Revolt Pilot Episode (Sprite Animation)

What If Sonic 1 Was More Realistic (Sprite Animation)

What If Sonic 1 Was More Realistic (Sprite Animation)

Sonic Colors - Opening [Sprite Version]

Sonic 1 With better Sprites

Sonic 1 Ending Sprite Designs by NeonAnimations2022 on DeviantArt

Sprite comparison for Mania's intro animation (SegaSonic, Sonic 1, 2 and CD) : r/SonicTheHedgehog