Happy Green Hill Zone by IrisOfTheRepliforce on Newgrounds

Green Hill Zone – Duth Olec's Cuckoo Cosmos

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

Custom / Edited - Sonic the Hedgehog Customs - Green Hill Zone Background (Modern, Genesis-Style) - The Spriters Resource

Green Hill Zone, Map of the Sonic the Hedgehog video game universe Wiki

I made Green Hill Zone in note blocks for my friend's Minecraft recreation of Sonic The Hedgehog (1991) : r/SonicTheHedgehog

Custom Green Hill Sprites 2.0! by FuzzysArting on DeviantArt

Green Hill Zone Expanded by UltraEpicLeader100 on DeviantArt

MlKE on X: My own Green Hill Zone Mock up (I know its overdone shhh) #pixelart #sonic #fanart #art #aseprite #gamedev This took a surprising amount of hours. / X

Secrets of Sonic the Hedgehog

Modding Sprites in Sonic Mania Problem