Green Hill Zone (drawn by me) : r/SonicTheHedgehog

Launch details and photos of the LEGO Ideas 21331 Sonic the Hedgehog Green Hill Zone set! - Jay's Brick Blog

Sonic the Hedgehog™ – Green Hill Zone 21331, LEGO® Sonic the Hedgehog™

Jakks pacific Playseat Sonic The Hedgehog Green Hill Zone Multicolor

I made Green Hill Zone in note blocks for my friend's Minecraft recreation of Sonic The Hedgehog (1991) : r/SonicTheHedgehog

Sonic the Hedgehog 2's Biggest Easter Egg and Other References - IGN

31 Sonic The Hedgehog 2 Movie Easter Eggs And References You May Have Missed - GameSpot

Sonic the Hedgehog 2 (2022) - IMDb

Stream Emerald Hill Zone [YM2612 + SN76489] by 4sythe

Race on Green Hill Zone by TheBourgyman on DeviantArt

Sonic the Hedgehog, Sonic Wiki Zone

Green Hill Zone in LEGO (by me) : r/SonicTheHedgehog

Sonic Origins Shows Off Animated Cutscenes, Mirror Mode, And More

Sonic The Hedgehog - Playset Green Hill Zone

Sonic Frontiers has traditional 2D and 3D Sonic levels, too - Polygon

Green Hill Zone (Sonic the Hedgehog), Sonic Wiki Zone