Sonic The Hedgehog Sprite Sheets: Game Boy Advance - Sonic Galaxy.net

Sonic Mania/Unused Graphics - The Cutting Room Floor

Sonic Advance 3 Sprite Sheets - Game Boy Advance - Sonic Galaxy.net

Green Hill Zone – Duth Olec's Cuckoo Cosmos

Steam Workshop::Green Hill Zone - Sonic the Hedgehog

Sega Genesis / 32X - Sonic the Hedgehog - Green Hill Zone Objects - The Spriters Resource

Novos sprites (Green Hill) - Sonic Genesis

Green Hill Re-Imagined Sprites by Exclipsy on DeviantArt

Green Hills Zone Sprites by Alex13Art on DeviantArt

MerrydriveMarcy on X: Replaced the background and frontground with Emerald Hill sprites! (Because the first week is against Sonic from Sonic 2) #Sonic #SonicTheHedgehog #SonicMania #Sonic1 #Sonic2 #SonicTheHedgehog2 #SonicTheHedgehog1 #FNF

Secrets of Sonic the Hedgehog