Modding Sprites in Sonic Mania Problem

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

Sonic the Hedgehog - Green Hill Zone by SonicDash57 on DeviantArt

Sega Genesis / 32X - Sonic the Hedgehog - Green Hill Zone Objects - The Spriters Resource

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

Pixel Joint Forum: Sonic 1 Title separate BG sprites?

Secrets of Sonic the Hedgehog

Sonic 1 Green Hill Canvas Wrap

Imgur: The magic of the Internet

Sega Genesis / 32X - Sonic the Hedgehog - Green Hill Zone - The Spriters Resource

Sonic x Higround Green Hill Zone Mousepad