Sonic the Hedgehog [Model 1009-50]

Sonic the Hedgehog for Mega Drive was released on June 24, 1991 in Europe.

CONSOLES:
Sega Mega Drive (1995) "Mega Games 6 Vol. 3"
Sega Saturn (aug.28, 1997) "Sonic Jam [Model MK81079-50]"
Sega Mega Drive (1995) "Sonic Compilation [Model 670-7105-50]"
Nintendo Wii [Virtual Console] (dec.8, 2006) [Model MAHP]
Nintendo GameCube (mar.7, 2003) "Sonic Mega Collection [Model DOL-GSOP-EUR]"
Microsoft XBOX (feb.4, 2005) "Sonic Mega Collection Plus"
Sony PS2 (feb.4, 2005) "Sonic Mega Collection Plus [Model SLES-52998]" by Sega Europe
Sony PlayStation 2 (mar.20, 2005) "Sonic Mega Collection Plus [Model SLES-52998]"
Sony PS2 (feb.2, 2007) "Sega Mega Drive Collection [Model SLES-54333]"
Sony PlayStation 2 (feb.8, 2007) "Sega Mega Drive Collection"
Microsoft XBOX 360 (feb.20, 2009) "SEGA Mega Drive Ultimate Collection [Model 384-40210]"
Sony PlayStation 3 (feb.20, 2009) "SEGA Mega Drive Ultimate Collection [Model BLES-00475]"
Microsoft XBOX 360 (feb.26, 2009) "Sega Mega Drive Ultimate Collection"

HANDHELDS:
Sony PSP (feb.2, 2007) "Sega Mega Drive Collection [Model ULES-00556]"
Sony PSP (feb.8, 2007) "Sega Mega Drive Collection [Model ULES-00556]"
Nintendo DS (mar.11, 2010) "Sonic Classic Collection [Model TWL-VSOV-AUS]"
Nintendo DS (mar.12, 2010) "Sonic Classic Collection [Model TWL-VSOV-EUR]"

COMPUTERS:
PC [MS Windows, DVD-ROM] (mar.31, 2006) "Sonic Mega Collection Plus"
PC [MS Windows, CD-ROM] (sept.3, 2010) "Sega Mega Drive Classics Collection Vol. 1"
PC [Steam] (oct.26, 2010)
PC [MS Windows, DVD-ROM] (mar.18, 2011) "Sega Mega Drive Classic Collection - Gold Edition"
PC [Steam] (jul.3, 2013) "Sonic Hits Collection"