Call of Duty earned 3 billion U.S. dollars
Last game sequel Call of Duty Modern warfare 2, greatly contributed to the earnings from the sale of all games in this series, which has now increased to 3 billion U.S. dollars.
Activision today announced that all 6 titles in this game sold more than 55 million copies worldwide.
President of Activision, Bobby Kotick said that this information about the sale based on NPD's research, GfK Chart-Track and international companies, and that therefore the income from sales of Call of Duty has become "the greatest game franchise of all time."
"If you look at the number of hours that players have spent playing this game, then it can be concluded that the CoD one of the most played games in the modern history of entertainment," he added.
Modern Warfare 2 is out for PC, PS3 and Xbox 360, 10th November this year. The game is sold in amazing quantities during the first week of sales, and thus left behind a great competition in the form of the game Assassin s Creed ˙ II.