Sonic Mania Sprites Sonic Amino PT~BR© Amino

Sonic the Hedgehog Sprite Sheet - Evil Sonics Sonic Hacks

Sonic 1 HD: Green Hill Zone by Hyperchaotix on DeviantArt

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

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

Custom / Edited - Sonic the Hedgehog Customs - Green Hill Zone - The Spriters Resource

Custom / Edited - Sonic the Hedgehog Customs - Green Hill Zone Chunks (Prototypes, Sonic Mania-Style) - The Spriters Resource

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

Happy Green Hill Zone by IrisOfTheRepliforce on Newgrounds

Green Hills Zone Sprites by Alex13Art on DeviantArt

Sonic The Hedgeblog — In early 'Sonic 1′ screenshots the Green Hill Zone