Halo Spartan Assault brings the excitement of Halo combat to touch-based devices. Battle your way through action-packed missions against the Covenant as you explore the origin of the Spartan Ops program and Halo 4’s Spartan Commander, Sarah Palmer. Earn achievements, complete mission and weekly challenges, unlock customizations for your Halo 4 career, and compete against your friends for the top scores in the leaderboards. It’s time to join the assault, Spartan!