Game Boy Advance - Sonic Battle - Green Hill Zone - The Spriters Resource

Sprites and Hoaxes – Shauniversal Studios

Enhanced Green Hill Zone [Sonic Mania] [Works In Progress]

Genesis / 32X / SCD - Sonic the Hedgehog - Green Hill Zone Act 2 - The Spriters Resource

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

ArtStation - Green Hill 3D Redesign

Wii - Super Smash Bros. Brawl - Green Hill Zone - The Textures Resource

Chronicles' GHZ - Stage, Models, etc WIP thread, Page 3

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

S2Beta:Prototype Zones/Neo Green Hill - Sonic Retro

Modding Sprites in Sonic Mania Problem