Sonic The Hedgehog 2 - Steam : SEGA : Free Download, Borrow, and Streaming : Internet Archive

ABOUT THIS GAMEDr. Eggman (aka Dr. Robotnik) has returned, turning helpless animals into robots and forcing them to build his ultimate weapon, the Death

Sonic Rush Adventure Flash Game (has bugs) : SEGA : Free Download, Borrow, and Streaming : Internet Archive

Sonic the Hedgehog Remix : OrdosAlpha : Free Download, Borrow, and Streaming : Internet Archive

Sonic The Hedgehog 2 (Aug 21, 1992 Prototype) : Sega : Free Download, Borrow, and Streaming : Internet Archive

Sonic Legacy 3 2 17 : Free Download, Borrow, and Streaming : Internet Archive

Sonic the Hedgehog Pocket Adventure (demo kiosk) (1999)(Sega)(JP)(en ja) : Free Download, Borrow, and Streaming : Internet Archive

Sonic & Knuckles Collection (USA) (Rev 2) : SEGA : Free Download, Borrow, and Streaming : Internet Archive

Sonic The Hedgehog 2 (Mega Play) : Sega : Free Borrow & Streaming : Internet Archive

Sonic the hedgehog (How Eggman Stole Christmas) : Free Download, Borrow, and Streaming : Internet Archive

Rail Chase (JP) : Sega : Free Download, Borrow, and Streaming : Internet Archive

Sonic the Hedgehog 3 (Genesis) : SEGA : Free Download, Borrow, and Streaming : Internet Archive

Sonic 2 Beta Jk.fox Remake 2010 (Ultimate Edition Plus) (S2 Hack) : Free Download, Borrow, and Streaming : Internet Archive