Alien Breed Trilogy is the complete collection of redeveloped Alien Breed titles originally released on Xbox LIVE Arcade, PlayStation Network and for the PC. This is the first time that the complete series will be available off the shelf for the Xbox 360, featuring the full series of redeveloped episodes: Evolution, Assault and Descent. The original Alien Breed was released for the Commodore Amiga in 1991, with the first in the redeveloped series released in 2009.