Four years after the events of Halo 3, the Master Chief returns in this award-winning first-person shooter. Battle through the campaign and explore the Forerunner planet, Requiem, as the Chief faces off with an ancient evil. Test your skills against familiar Covenant foes and new Promethean enemies in solo mode or with up to three friends on split-screen. With Xbox Live Gold Membership, access the online multiplayer and Spartan Ops missions.