It had a special impact on the players and lovers of this series as it contained the new zombie mode which was never seen in any action game before. World at War is the 5th part of the series of the Call of Duty game. The Company recently released a battle royale game for the mobile phones named as Call of Duty Mobile which got very famous and became one of the most top downloading games in very few hours. Call of Duty: World at War is an action game which is available for the XBOX 360, PS3 and Microsoft Windows.