Halo: Spartan Assault

Halo: Spartan Assault is a twin-stick shooter video game developed by 343 Industries and Vanguard Games. Part of the Halo franchise, the game was released on July 18, 2013, for Microsoft's Windows 8 and Windows Phone 8 platforms. The game was subsequently released on Xbox 360, Xbox One, Steam, and iOS. Halo: Spartan Assault is set between the events of Halo 3 and Halo 4. Players control the human soldiers Sarah Palmer and Edward Davis as they fight a new splinter faction of the alien Covenant. The game launched with 25 single-player missions; an additional campaign was released as downloadable content. The console versions also feature an exclusive cooperative horde mode.