Complete - Orbinaut Framework: Green Hill Pack

Sonic Mania - The Cutting Room Floor

Steam Workshop::Green Hill Zone - Sonic the Hedgehog

Enhanced Green Hill Zone [Sonic Mania] [Works In Progress]

Sonic 1 HD: Green Hill Zone by Hyperchaotix on DeviantArt

Custom Green Hill Sprites 2.0! by FuzzysArting on DeviantArt

Sonic the hedgehog green hill zone 8 bit sprite - AI Generated Artwork - NightCafe Creator

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

Green Hill Zone Sprites Remastered by SuperMarioFan1lq on DeviantArt

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

Sonic Platformer Game