Classic Green Hill [Super Smash Bros. (Wii U)] [Mods]

Sonic Mania - The Cutting Room Floor

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

Green Hill Zone Sprites Mania by Alex13Art on DeviantArt

Green Hill Zone Expanded by UltraEpicLeader100 on DeviantArt

The Textures Resource - Full Texture View - Sonic Adventure 2 - Green Hill Zone

Green Hills Zone Sprites by Alex13Art on DeviantArt

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

The VG Resource - Dolphman's sprite library of customs & edits

Robot Game Design – Pixel art sprite art style mood boards – My work!

Secrets of Sonic the Hedgehog