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Sonic Mania/Unused Graphics - The Cutting Room Floor

Sprites and Hoaxes – Shauniversal Studios

Steam Workshop::Sonic 1 - Green Hill Zone

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

Wii - Super Smash Bros. Brawl - Green Hill Zone - The Textures Resource

Sonic in Green Hill Zone [Sprite Animation/2K Special]

Happy Green Hill Zone by IrisOfTheRepliforce on Newgrounds

MlKE on X: My own Green Hill Zone Mock up (I know its overdone shhh) #pixelart #sonic #fanart #art #aseprite #gamedev This took a surprising amount of hours. / X

The VG Resource - Dolphman's sprite library of customs & edits

Sonic Mania Sprites Sonic Amino PT~BR© Amino