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 Mega Mix (S1 Hack) : Free Download, Borrow, and Streaming : Internet Archive

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

Sonic the Hedgehog 3 & Knuckles : SEGA : Free Download, Borrow, and Streaming : Internet Archive

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

Sonic Generations for the PC : Sega : Free Download, Borrow, and Streaming : Internet Archive

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

Sonic Back 2 The Future : Free Download, Borrow, and Streaming : Internet Archive

Somari V2.0 (S1 Hack) : Free Download, Borrow, and Streaming : Internet Archive

Sonic CD (PC, USA) : Sega : Free Download, Borrow, and Streaming : Internet Archive

Sonic CD (Multi Region/Lang) [SEGA CD, Windows, PS3, Xbox 360] : SEGA : Free Download, Borrow, and Streaming : Internet Archive

Sonic 1 Neo Adventures v0.1 : 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 3 Complete : Tiddles : Free Download, Borrow, and Streaming : Internet Archive