
As a member of an elite military force, you must fight to defend the Earth from alien aggressors on the ancient alien artifact known as Halo. You must fight your way through Halo's mountainous terrain and underground labyrinth to discover the secrets of the mysterious world, and protect the human race. Escaping Halo with your life requires a cunning wit and a major arsenal of weapons.
Switch between foot-based fighting and vehicle-based attacks, where you can pilot flyers, tanks, or buggies, or man the guns while another squad member drives. Multiplayer action in Halo: Combat Evolved gives players the option of co-op missions or free-for-all shootouts.

The defeat of the Covenant in the first Halo game was only a temporary victory, as the alien attackers have renewed their mission to wipe out all of humanity. Despite the human military force's and Master Chief's efforts, the Covenant have breeched the Earth's defenses and have left its inhabitants in a dismal situation. In the midst of desperation, players assume the role of Master Chief and lead the resistance against the Covenant to save the people of Earth from a gruesome demise. Halo 2 will feature an immense and epic single player mode, as the story picks up where it ended in the first game. In addition to the single player mode, Halo 2 will also feature a redesigned multiplayer mode. While the first game limited players to LAN connectivity, Halo 2 takes multiplayer missions online by way of Xbox Live.
