S2Beta:Prototype Zones/Emerald Hill - Sonic Retro

Sonic Mania - The Cutting Room Floor

Complete - Orbinaut Framework: Green Hill Pack

Green Hill Zone – Duth Olec's Cuckoo Cosmos

Steam Workshop::Green Hill Zone

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

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

Game Boy Advance - Sonic Battle - Green Hill Zone - The Spriters Resource

Green Hills Zone Sprites by Alex13Art on DeviantArt

Splash Hill Zone Video game sprites, Sonic, Cricut crafts

no i will not shut up about sonic