Game Description: Halo 3 is the third game in the Halo Trilogy and the thrilling conclusion to the events begun in Halo: Combat Evolved. Master Chief returns to finish the fight, bringing the epic conflict between the Covenant, the Flood, and the entire human race to a dramatic, pulse-pounding climax. The Covenant occupation of Earth has uncovered a massive and ancient object beneath the African sands—an object whose secrets have yet to be revealed. Earth's forces are battered and beaten. The Master Chief's AI companion Cortana is still trapped in the clutches of the Gravemind—a horrifying Flood intelligence, and a civil war is raging in the heart of the Covenant. It's all been building to this—a desperate, final war that leads to a soul-shattering climax of epic proportions. Take control of Master Chief to defeat the Covenant and destroy the Flood to prevent the annihilation of the human race.