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

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

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

Nds-Bootstrap Compatibility List (Current Release Is 0.24.1) PDF, PDF, Nintendo Consoles

New Sonic Hack Sonic Stuff Research Group

Sonic Hacking Contest :: The SHC2023 Contest :: Agent Stone in Sonic 3 A.I.R. (v0.8) :: By HazelSpooder

Mean - Machines - SEGA - oct 1993

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

Knuckles in Sonic The Hedgehog, Cancelled Games Wiki

Nds-Bootstrap Compatibility List (Current Release Is 0.24.1) PDF, PDF, Nintendo Consoles

Sonic 1 Beta Remake V0.05 - Walkthrough