Activision has announced that Call of Duty World At War has sold 11 million copies in the seven months it has been on the market, making it a faster selling game than the mighty Modern Warfare (which has sold 13 million worldwide to date).

Last week, the second map pack for the game was released, while the first map pack old almost 2 million copies on Xbox Live and PlayStation Network, the second DLC is expected to sell even more. World At War developer Treyarch is reportedly already working on a sequel, “Call of Duty 7″, which is set during the Cold War.