Happy Green Hill Zone by IrisOfTheRepliforce on Newgrounds

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

Mighty in Sonic 1 Rev 1.1 with Knuckles Chaotix sprites (S1 Hack

Green Hill Zone Sprites Mania by Alex13Art on DeviantArt

Custom Green Hill Sprites 2.0! by FuzzysArting on DeviantArt

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

Custom Green Hill Sprites [Outdated] by FuzzysArting on DeviantArt

Green Hill Zone Expanded by UltraEpicLeader100 on DeviantArt

Knuckles' Chaotix, knuckles Chaotix, Green Hill Zone, tilebased Video Game, Sonic Mania, Sonic the Hedgehog 2, cyan, Sprites, Tails, sprite

green hill in simple sonic worlds by chucknick - Game Jolt

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