Halo 3 from Bungie for the Microsoft Xbox 360 is the third game in the Halo Trilogy and provides the thrilling conclusion to the events begun in Halo: Combat Evolved.

The Master Chief is returning to Earth to finish the fight. The Covenant occupation of Earth has uncovered a massive and ancient object beneath the African sands - an object who's 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. This is how the world ends...