Halo 4

Master Chief awakens to find the Forward Unto Dawn boarded by numerous Covenant that are in search of Requiem in order to find a Forerunner Weapon Cache. They are also hoping that the Requiem is the place where a living god is currently being held and it is their desire to obtain his help in their fight against humanity. The game's main antagonist is a Forerunner named Didact. Cortana dies at the end of the game. There is a new weapon that looks like "a cross between a rocket launcher and a needler" There is a new "Arsenal Improvisation Mechanics" system allowing mid-combat customization of weapons and vehicles. Players will be able to dynamically tailor their weapons and vehicles to suit any situation