Green Hill Zone Sprites Mania by Alex13Art on DeviantArt

Green Hill - Custom Tileset by goncas23 on DeviantArt

Sonic the Hedgehog 2 - Hill Top Zone by SonicDash57 on DeviantArt

Sonic Green Hill Zone Remake by Eclyse069 on DeviantArt

S1MD Green Hill Zone tilesets in S1MDMS style by HidroGeniuns on DeviantArt

Custom Green Hill Sprites 2.0! by FuzzysArting on DeviantArt

Green Hill Zone: Encore Mode by Rootay on DeviantArt

Emerald Hill Zone Sprites by Alex13Art on DeviantArt

Custom / Edited - Sonic the Hedgehog Customs - Green Hill Zone (Mega Man NES-Style) - The Spriters Resource

Green Hill Zone Advanced. by parrishbroadnax on DeviantArt