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

Sam Ryall Animation: Green Hill Zone. Act 1

Custom Green Hill Sprites 2.0! by FuzzysArting on DeviantArt

Custom / Edited - Sonic the Hedgehog Customs - Green Hill Zone Chunks (Prototypes, Sonic Mania-Style) - The Spriters Resource

Custom Green Hill Sprites [Outdated] by FuzzysArting on DeviantArt

Green Hill Zone Expanded by UltraEpicLeader100 on DeviantArt

Mania Madness Ep. 1 Preview Green Hill Zone W.I.P. (Sprite Animation)

Neo Green Hill In Sonic Mania [Sonic Mania] [Works In Progress]

Modding Sprites in Sonic Mania Problem

Imgur: The magic of the Internet

Sonic x Higround Green Hill Zone Mousepad