Halo 5: Guardians is an upcoming first-person shooter video game. Part of the Halo franchise, the game is being developed by 343 Industries and published by Microsoft Studios. Serving as the sequel to Halo 4, the game is scheduled to be released in 2015.

War breaks out when colony worlds are unexpectedly attacked. Master Chief Petty Officer John-117 goes missing, and Spartan Locke is tasked with hunting down the Master Chief and solving a mystery that threatens the entire galaxy