Sonic the Hedgehog (SNES) : TiagoSC : Free Download, Borrow, and Streaming : Internet Archive

What if Sonic the Hedgehog was ported to Super NES? What would it look like? How would it play? Could an engine designed specifically for the Sega Mega

Sega Genesis: Sonic ROM Hacks : Free Software : Free Download, Borrow and Streaming : Internet Archive

Sonic Hacking Contest 2012 Entries : Sonichacking.org : Free Download, Borrow, and Streaming : Internet Archive

Sonic 1 Steam ROM + Sonic 2 Steam ROM + Sonic CD 2011 + Sonic 3 & Knuckles Steam ROM : SEGA : Free Download, Borrow, and Streaming : Internet Archive

Super Sonic in Sonic the Hedgehog : Puto : Free Download, Borrow, and Streaming : Internet Archive

Sonic X Subbed : Free Download, Borrow, and Streaming : Internet Archive

Sonic 1 EXE : Free Download, Borrow, and Streaming : Internet Archive

Sonic the Hedgehog Rev 0 : SEGA : Free Download, Borrow, and Streaming : Internet Archive

Adventures of Sonic the Hedgehog! (1-66) : Free Download, Borrow, and Streaming : Internet Archive

Super Sonic in Sonic the Hedgehog : Puto : Free Download, Borrow, and Streaming : Internet Archive