Green Hill Zone by StarShiney-Chan on DeviantArt

Green Hill Zone (Classic) Sonic Wiki Zone+BreezeWiki

Green Hill Zone Background by HeartinaRosebud on DeviantArt

Steam Workshop::Green Hill Zone: Act 2 [Mountains]

Steam Workshop::Green Hill Zone: Act 2 [Caverns]

Green Hill, Remix Favorite Show and Game Wiki

I made an aesthetic Green Hill Zone wallpaper, using footage from the movie : r/SonicTheHedgehog

Pixilart - Sunset in Green Hill Zone by Kuyo

Download Green Hill Zone Background

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