Halo 4

Halo 4 is a 2012 first-person shooter game developed by 343 Industries and published by Microsoft Studios for the Xbox 360. Halo 4's story follows a genetically enhanced human supersoldier, Master Chief, and his artificial intelligence construct Cortana, as they encounter unknown threats while exploring an ancient civilization's planet. The player assumes the role of Master Chief who battles against a new faction that splintered off from remnants of the Covenant, a former military alliance of alien races, as well as a new enemy: mechanical warriors of the Forerunner empire known as the Prometheans. The game features a new selection of weapons, enemies, and game modes not present in previous titles of the series.