Sonic The Hedgeblog — Past Green Hill 'Tails & The Music Maker' SEGA

Sonic Prime Flashback's sprites in Advance Style 👍 (Artist: @Kanimy_0) : r/SonicTheHedgehog

Green Hill Zone – Duth Olec's Cuckoo Cosmos

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

The Leaf Forest Zone - Sonic Advance backgrounds

Green Hill Zone Tileset by supersonic1009 on DeviantArt

The Spriters Resource - Full Sheet View - Sonic the Hedgehog (Prototype) - Green Hill Zone Act. 1 (Normal)

Happy Green Hill Zone by IrisOfTheRepliforce on Newgrounds

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

no i will not shut up about sonic

Sonic 1 Green Hill Canvas Wrap