You do not. It is not a part of the game and is made by the other company that develops Call of Duty games. They developed Call of Duty World at War and Call of Duty Black Ops and are not the game developers for the Call of Duty Modern Warfare series
Call of Duty 4 does not have a zombie mode
Call of Duty classic Call of Duty 4 Modern Warfare Call of Duty World at War Call of Duty Modern Warfare 2 call of duty black ops call of duty modern warfare 3
You either beat the game on regular or higher or it is only for Xbox. Hope this helped, WoodWorkingMaster
no
yes it is
CoD 4 MW
yes and the later call of duty PS3 games also
Yes
Yes of course there PS3 game Call of Duty Modern Warfare 2 works in the PS3
yes
18.
You don't.