Knuckles in Sonic 2 Green Hill Zone V0.1 ROM Download for

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

DAY 7 - Fan Game Favourites 1: 3D Games [30DOS22] - SSMB Community - Sonic Stadium

In the 1990s, a Sonic/Mario game launching the same day would have shook the industry : r/SonicTheHedgehog

OMG they actually added Amy as playable character in sonic origins plus : r/SonicTheHedgehog

Review - The best version of Sonic 1 and an amazing improvement to Sonic 2

clownmdemu - The Greatest Mega Drive Emulator Ever (Someday)

Green Hill Act 2 by jimmyhook19202122 on DeviantArt

clownmdemu - The Greatest Mega Drive Emulator Ever (Someday)

Sonic The Hedgehog x10 [Sonic The Hedgehog (1991)] [Mods]