The Knight boss is one of the mercenaries you must hunt and eliminate in MW3 Zombies during the chessboard puzzle side quest. He roams around on the map of Urzikstan in an armored vehicle.

When playing MW3 Zombies, you’ll find out that in Act IV there is only one mission called “Bad Signal”. In that mission, after you beat the final boss, you’ll get a Locked Diary.

Zombies is live in Call of Duty: Modern Warfare 3, but this year you'll be killing the undead in a large-scale extraction mode. This is way different than the traditional round-based mode you ...