Green hill zone background by sonicmechaomega999 on DeviantArt

Green Hill Zone for iPhone by TokeiTime on DeviantArt

Green Hill Zone Background (Night) by JadyellySparkle on DeviantArt

Green Hill Zone Sprites Mania by Alex13Art on DeviantArt

3D Green Hill Zone Scene by KrazyGal on DeviantArt

Sonic / Green Hill Zone Wallpaper by pvlimota on DeviantArt

Sonic Generations[Fan Game] Green Hill Hub by marvinvalentin07 on DeviantArt

Yoshi Wuvz Nature by BreakingCloud

Green Hill Zone Background by harounisbackbaby on DeviantArt

Sonic Studio Green Hill Walpaper by TomiTheHedgehog on DeviantArt

Sonic Gx Background 1 by sonicmechaomega999 on DeviantArt

A walk in Green Hill Zone by ModernLixes on DeviantArt

Green Hill Zone (no ground) by SarahVilela on DeviantArt

Mushroom Hill Zone by Clutch45 on DeviantArt Stuffed mushrooms, Fantasy art landscapes, Sonic the hedgehog

Sonic Sprite Background 9 by sonicmechaomega999 on DeviantArt

Green hill zone: Red by GavinGraham32100 on DeviantArt