Halo 4 Launched Today

The first chapter of a brand-new Halo saga is poised to surpass The Avengers as the biggest entertainment launch of 2012 to date
Microsoft and 343 Industries today announced that Halo 4, the latest next installment in the Halo series, is now available worldwide, exclusively for Xbox 360. Set four years after the events in Halo 3, the game follows the Master Chief and his faithful artificial intelligence (AI) companion Cortana as they venture into a mysterious new world and discover an overpowering ancient evil that threatens to annihilate mankind.