Sonic the Hedgehog - Green Hill Zone - Lead Sheets for Video Game Music

Knuckles in Sonic 2 Green Hill Zone by Hivebrain V0.2 (S2 Hack) : Free Download, Borrow, and Streaming : Internet Archive

Green Hill Zone – Wikipédia, a enciclopédia livre

Steam Workshop::Green Hill Zone: Act 2 [Mountains]

Sonic The Hedgehog 1 - Green Hill Zone Act 2 & Special 2

Sonic the Hedgehog 1: Green Hill Zone, Act 2 — Not Enough Rings

In Green Hill Zone Act 2 of Sonic Mania, it is completely possible to die during the results screen. : r/SonicTheHedgehog

The Spriters Resource - Full Sheet View - Sonic the Hedgehog (Prototype) - Green Hill Zone Act. 2 (Dark)

ArtStation - Sonic the Hedgehog 2 - Concept Green Hill Zone

Sonic Mania - Green Hill Zone Act 2 Gameplay, Sonic The Hedgehog's Green Hill Zone - remember this stage from your childhood?, By GameSpot

Sonic Mania: Green Hill Zone Act 1 & 2 Playthrough