Sonic Mania New Video Shows Off Green Hill Zone Act 2

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

Green Hill Zone Act 2 (Mania) Sheet music for Piano (Solo)

Sonic the Hedgehog 2 (pre-beta)/Comparisons/Neo Green Hill Zone - Sonic Retro

Dreamcast - Sonic Adventure 2 - Green Hill Zone - The Textures Resource

Worms Map Database - Maps - Green Hill Zone Act 2

Game Gear - Sonic Blast - Green Hill Zone Act 2 - The Spriters Resource

Emerald Hill Zone, Sonic Wiki Zone

Genesis / 32X / SCD - Sonic the Hedgehog - Green Hill Zone Act 2 - The Spriters Resource

LEGO Sonic the Hedgehog – Green Hill Zone

The history of Sonic's iconic Green Hill Zone