Alternate Extra Mode Sprites [Sonic the Hedgehog Forever] [Mods]

Custom / Edited - Sonic the Hedgehog Customs - Boomer the Turtle - The Spriters Resource

Dolphin Emulator - Dolphin Progress Report: December 2022 and January 2023

10x Sonic 1 True Overstyled Sprite - Friday Night by Abbysek on DeviantArt

Zone: 0 > Sonic & Knuckles > Other Modes

Sonic 3 Air Mod

Extra Modgen Modern Sonic V2 Sprites by MarianHedgehog on DeviantArt

Alternate Extra Mode Sprites [Sonic the Hedgehog Forever] [Mods]

Sonic the Hedgehog CD (Video Game) - TV Tropes

Dev Game Club

Alternate Extra Mode Sprites [Sonic the Hedgehog Forever] [Mods]

Emulador Dolphin - Dolphin Progress Report: August, September, and October 2023

Sonic Alternate Form Sprite Sheet (Ultra Sonic) by JayHyperStarX on DeviantArt

Mod.Gen Sonic Sprites : Mod.Gen Project Team : Free Download, Borrow, and Streaming : Internet Archive

Sonic 1 (2013): Decomp Refresh Edition :: Full Game Playthrough (1080p/60fps)

Alternate Extra Mode Sprites [Sonic the Hedgehog Forever] [Mods]