Green Hill Zone Background by HeartinaRosebud on DeviantArt

Twinkle Snow: Background Study by Heavy-Megatal on DeviantArt

Planet Wisp Sonic Generation by Jkomasan on DeviantArt

Green Hill Zone Background by HeartinaRosebud on DeviantArt

Green Hill Zone by L-Dawg211 on DeviantArt

Water Palace Sonic Generations by Jkomasan on DeviantArt

Green hill zone background by sonicmechaomega999 on DeviantArt Best background images, Video game backgrounds, Background images

The cave of wonders (background) by RandomRedEngine on DeviantArt

Sonic - Listening To Music by DanielJamesAnimation on DeviantArt

Green Hill Zone 3D by AlphaRox on DeviantArt

Green hill zone by UkrainianSonicArts on DeviantArt

user15432 - Professional, Filmographer

HeartinaRosebud - Hobbyist, Digital Artist

Green Hill Zone BG by MylesDeGreat on DeviantArt

Rare Ziggurab by LazerDoesStuff on DeviantArt