Green Hill Zone boss (8K) by WinderBlitz on DeviantArt

Green Hill Zone: Boss by Flama-foxangel on DeviantArt

Green Hill Zone Boss Run Away (Art Collab) by RedUniverseMickey on DeviantArt

Personajes oficiales on fans-de-Sonic - DeviantArt

Green Hill Zone by Wilustra on DeviantArt

25 Years of Sonic (Just Green Hill background) by DiegoShedyk53182 on DeviantArt

Green Hill Zone Background by MegaArtist923 on DeviantArt

JaysonJeanChannel - Hobbyist, Digital Artist

Zones on RetroSonicClub - DeviantArt

8-bit Green hill zone by SonicOfTheHedge on DeviantArt