Halo: Spartan Assault is a 2013 top-down third-person shooter video game developed by 343 Industries and Vanguard Entertainment. Halo: Spartan Assault is set between the events of Halo 3 and Halo 4. Players control the human soldiers Edward Davis and Sarah Palmer as they fight the alien Covenant. The game launched with 25 single-player missions, with more content released later. In addition, the game is Xbox Live enabled and includes Achievements. Source: Wikipedia, "Halo: Spartan Assault", available under the CC-BY-SA License.