Halo is seconded only to its sequel Halo 2. It was released on Novemas a launch title for the Xbox gaming system,and is considered that platform's 'killer application'.There was more than five million copies that had sold worldwide. Halo: Combat Evolved, or just simply Halo, is a first-person shooter video game developed by Bungie Studios, and it is the first installment of the Halo trilogy.
