Call of Duty: World at War is a first-person shooter video game published for Windows that put you right in the middle of the action. The adventures in this MS Windows video game include rescue missions, enemy attacks, and defending positions. Call of Duty: World at War features the cooperative mode, which supports up to two players locally and four players online. This MS Windows video game lets you gain experience points to move ahead and get access to additional weaponry and abilities on completion of each task. This first-person shooter video game lets the character stand, crouch, or lie prone during the mission.