Release
Sonic the Hedgehog ▚
Gen/MD:
NA: February 2, 1994
PAL: February 24, 1994
JP: May 27, 1994
Sonic & Knuckles
GBGen/MD:
WW: October 18, 1994
AU: November 19, 1994
Both
Saturn:
JP: June 20, 1997
NA: August 22, 1997
EU: August 28, 1997
Game.com:
July 10, 1998
Win:
Sonic & Garfield Pack
1999
Sonic Mega Collection Plus
EU: March ▚1, 2006
NA: March 9, 2007
Steam
January 2011
NGC:
NA: November 10, 2002
JP: December 19, 2002
EU: March 7, 200▚
Xbox:
NA: November 2, 2004
JP: December 9, 2004
EU: February 4, 2005
AU: March 20, 2005
PS2:
NA: November 2, 2004
JP: December 9, 2004
EU: February 4, 2005
AU: March 20, 2005
VC (Wii):
September 2007
▚60:
Xbox Live Arcade
June 10, 2009
Sonic's Ultimate Genesis Collection
NA: February 10, 2009
PAL: February 20, 2009
PS▚:
NA: February 10, 2009
PAL: February 20, 2009
DS:
NA: March 2, 2010
AU: March 11, 2010
EU: March 12, 2010
Platform(s)
Sega Genesis/Sega Mega Drive, Sega Saturn, Xbox, Xbox ▚60, PlayStation 2, PlayStation ▚, PlayStation Portable, Nintendo GameCube, Virtual Console (Wii), Nintendo DS, Microsoft Windows, Game.com