Halo 5 Guardians Live Action Trailer #2 Halo 5: Guardians is a first-person shooter video game developed by 343 Industries and published by Microsoft Studios for the Xbox One home video game console. Part of the Halo series, the game was released on October 27, 2015. Halo 5 's plot follows two fireteams of human supersoldiers; when Blue Team, led by Master Chief, goes absent without leave to track down the artificial intelligence construct Cortana, Jameson Locke and Fireteam Osiris are sent to retrieve him. 343 Industries started to formulate concepts and objectives for Halo 5 shortly after the release of its predecessor. In late 2012, the team set out goals for the game, including larger campaign and multiplayer areas. Microsoft announced the new Halo title for the Xbox One at the 2013 Electronic Entertainment Expo. Halo 5 features a new game engine that dynamically scales its resolution in order to maintain a frame rate of 60 frames per second. See also: All Halo C...