green hill in simple sonic worlds by chucknick - Game Jolt

Sonic The Hedgehog Sprite Sheets - Sega Genesis - Sonic Galaxy.net

The Leaf Forest Zone - Sonic Advance backgrounds

Sonic 1 HD: Green Hill Zone by Hyperchaotix on DeviantArt

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

Classic Green Hill [Super Smash Bros. (Wii U)] [Mods]

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

Sonic the Hedgehog Community - Fan art, videos, guides, polls and more - Game Jolt

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

Brawl Vault

Green Hill Zone DX by NewYoannNova on DeviantArt