Sonic the Hedgehog 2 - Sonic Chaos Prototype by PixelMarioXP on DeviantArt

Sonic the Hedgehog 2 - Tails Chaos Prototype by PixelMarioXP on

Sonic 3 and Knuckles - Badniks by SonicDash57 on DeviantArt

Sonic the Hedgehog Moon by MarioObsessed - Game Jolt

PixelMarioXP Sonic 3 MS styled Amy and Metal Sonic by

Sonic 3 knux prototype big edit by lampman64 on DeviantArt

Sonic 3 SMS Timeline

Sonic The Hedgehog 2 Mario Tails Metal Sonic PNG, Clipart

10x UnGrid Sprites - Sonic the Hedgehog Trilogy an by Abbysek on

Sonic the Hedgehog Moon by MarioObsessed - Game Jolt

Sonic the Hedgehog Moon by MarioObsessed - Game Jolt

Amy Rose In Sonic 1 Sprite Sheet Ver 2 by E-122-Psi on DeviantArt