Sonic 1 Delta - SSRG Demo release

RatherNoiceSprites's Classic Sonic Sprites [Sonic the Hedgehog Forever] [Mods]

Sonic The Hedgehog Sonic Sticker - Sonic The Hedgehog Sonic Sprite - Discover & Share GIFs

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

Mobile - Sonic the Hedgehog Part 1 & 2 - Sonic

Pixilart - Sonic 1 sprites pt1 by Bubb13

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Sprites That Weren't In Sonic 1 Or CD - Comic Studio

Sonic 1 Unused Sprites

Adventures of Sonic 1, Sonic the Hedgehog Hacks Wiki

Sonic 1 SMS vs Sonic Edusoft