Proto:Sonic the Hedgehog (Genesis)/Green Hill Zone - The Cutting

Sonic the Hedgehog (Prototype) - Hidden Palace

Sonic the Hedgehog (1991)/Beta elements, Sonic Wiki Zone

Which Sega Genesis sonic game has the best special stages: Sonic 1

Sonic The Hedgehog KawariNo

Proto:Sonic the Hedgehog (Genesis)/Green Hill Zone - The Cutting

Sonic the Hedgehog 2 (Simon Wai prototype) - Sonic Retro

Proto:Sonic the Hedgehog (Genesis)/Green Hill Zone - The Cutting

Sonic the Hedgehog Band, Sonic Wiki Zone

Sonic the Hedgehog (Pre-Super Genesis Wave)/History and

Proto:Sonic the Hedgehog (Genesis)/Green Hill Zone - The Cutting

Espio the Chameleon - MMKB, the Mega Man Knowledge Base - Mega Man