This game is backwards-compatible, so it is playable on both Xbox 360 and Xbox One.
After finishing the fight, players now have the opportunity to take a step back in time and experience the Halo universe from a whole new perspective. Players are put in the boots of an orbital drop shock trooper some of the toughest and bravest soldiers of the UNSC. Players must search for clues to find out what happened to their squad when a drop into the city and discover the secret behind the interest in the city. In addition to a full-fledged campaign, it introduces firefight, a new cooperative multiplayer mode where up to four players battle waves of unrelenting covenant onslaughts.