Sonic the Hedgehog - Green Hill Zone by SonicDash57 on DeviantArt

Sonic Mania - The Cutting Room Floor

Sonic Mania/Unused Graphics - The Cutting Room Floor

Sprites and Hoaxes – Shauniversal Studios

Steam Workshop::Green Hill Zone

Custom Green Hill Sprites 2.0! by FuzzysArting on DeviantArt

The Textures Resource - Full Texture View - Sonic Adventure 2 - Green Hill Zone

User blog:SalaComMander/SalaComMander's first sprite comic, Sonic Wiki Zone

Mania Madness Ep. 1 Preview Green Hill Zone W.I.P. (Sprite Animation)

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

Robot Game Design – Pixel art sprite art style mood boards – My work!