Altered Beast was released in August 1988.

Re-Editions:
"Altered Beast [Model 317-0069]"
"Altered Beast [Model 317-0076]"
"Altered Beast [Model 317-0078]"

An Altered Beast unit appears in 1998 movie 'The Replacement Killers'.

The American release of the Sega Genesis (Mega Drive) in 1989 all came bundled with a port of this game, making it the first American Genesis game.

CONSOLES:
Sega Master System (1989) "Altered Beast [Model 7018]"
Sega Master System (1989) by Tec Toy
Sega Genesis (aug.14, 1989) "Altered Beast [Model 1100]"
Sega Mega Drive (1990) by Tec Toy
Sega Mega Drive (1990) "Altered Beast [Model 1100-50]"
Sega Mega Drive (1990)
Tapwave Zodiac (2004)
Sony PS2 (nov.7, 2006) "Sega Genesis Collection [Model SLUS-21542]": as an unlockable extra.
Sony PS2 (feb.2, 2007) "Sega Mega Drive Collection [Model SLES-54333]": as an unlockable extra.
Sony PlayStation 2 (feb.8, 2007) "Sega Mega Drive Collection": as an unlockable extra.
Sony PlayStation 3 (feb.10, 2009) "Sonic's Ultimate Genesis Collection [Model BLUS-30259]": as an unlockable extra.
Sony PlayStation 3 (feb.10, 2009) "Sonic's Ultimate Genesis Collection": as an unlockable extra.
Microsoft XBOX 360 (feb.10, 2009) "Sonic's Ultimate Genesis Collection [Model 68034]": as an unlockable extra.
Sony PlayStation 3 (feb.20, 2009) "Sega Mega Drive Ultimate Collection [Model BLES-00475]": as an unlockable extra.
Microsoft XBOX 360 (feb.20, 2009) "SEGA Mega Drive Ultimate Collection [Model 384-40210]": as an unlockable extra.
Microsoft XBOX 360 (feb.26, 2009) "Sega Mega Drive Ultimate Collection": as an unlockable extra.
Nintendo Wii [Virtual Console Arcade] (june.26, 2009) [Model E6XP]
Nintendo Wii [Virtual Console Arcade] (sept.28, 2009) [Model E6XE]
Sony PlayStation 3 [PSN] (sept.7, 2011)
Sony PlayStation 3 [PSN] (sept.20, 2011)
Sony PlayStation 3 [PSN] (oct.11, 2011)

HANDHELDS:
Nintendo 3DS [eShop] (dec.5, 2013) "3D Altered Beast [Model CTR-JA7E-USA]"
Nintendo 3DS [eShop] (dec.5, 2013) "3D Altered Beast [Model CTR-JA7P-EUR]"
Nintendo 3DS [eShop] (dec.5, 2013) "3D Altered Beast [Model CTR-JA7P-AUS]"

COMPUTERS:
MSX (1988)
Sinclair ZX Spectrum (1988)
Commodore C64 (1989)
Amstrad CPC (1989) by Activision
[SP] Amstrad CPC (1989) "Altered Beast [Model AMC-786]"
Commodore Amiga (1989)
Atari ST (1989)
Amstrad CPC (1990) by Ocean
PC [MS-DOS, 5.25"] (1990)

OTHERS:
LCD handheld game (1988) : by Tiger Electronics.
Apple iPhone/iPod (dec.16, 2010) [Model 407812054]