The immersive sci-fi world of the Halo franchise. The plot revolves around the conflict between humanity and an alien alliance known as the Covenant.
The game follows the story of the Master Chief, a super-soldier known as a Spartan-II, who is accompanied by the AI construct Cortana. The Master Chief awakens from cryosleep aboard the UNSC ship, the Pillar of Autumn, as it is under attack by the Covenant. Alongside a group of fellow soldiers, the Master Chief must fight to repel the Covenant forces and survive the onslaught.