Green Hill (Sonic Adventure 2) - Sonic Retro

Green Hill Zone (Sonic the Hedgehog 16-bit) - Sonic Retro

The best 12 Sonic the Hedgehog games, ranked - Polygon

Sonic Adventure 2 - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game

Setting Fire to Generations' Green Hill Zone: Post Your Best Times - Sonic Retro

Green Hill Zone – Wikipédia, a enciclopédia livre

Sonic The Hedgehog Classic on the App Store

I built Lego's Sonic Green Hill Zone set and brought the 16-bit classic game to life

Sonic Origins for Nintendo Switch - Nintendo Official Site

Iteration Over Innovation in Sonic 3 & Knuckles

Sonic Adventure is still the gold standard for 3D Sonic games

SAGE 2023 - Demo - Sonic Adventure 2 : Green Hill Zone Reimagined

Sonic Adventure 2, Sonic Wiki Zone