The Leaf Forest Zone - Sonic 1 backgrounds

Sonic 4 - Episode ME - Leaf Plains Mock-Up(Remake) by MrLevRocks on DeviantArt

PogoGirl Devlog #7: Pogo Splash & Swim

The Leaf Forest Zone - Sonic 1 backgrounds

The Leaf Forest Zone - Sonic 1 backgrounds

Leaf Forest, Sonic Wiki Zone

The Leaf Forest Zone - Sonic 1 backgrounds

MainMemory🏳️‍⚧️ on X: Also an interesting find: the Zones in Sonic Advance 2 have four Acts, with Act 4 always using this same stock foreground layout, featuring spike graphics from Sonic 2.

Sonic Advance 2 - Leaf Forest Zone Act: 1 (Sega Genesis Remix) V3 Music Extended

Sonic Advance Trilogy (Video Game) - TV Tropes

Ten Carat Hill Zone stage day by firenamedBob on DeviantArt

The Leaf Forest Zone - Sonic 1 backgrounds

The Leaf Forest Zone - Sonic 1 backgrounds

Create a Sonic Classic Levels TierList Tier List - TierMaker

The Leaf Forest Zone - Sonic 3 & Knuckles backgrounds