"Call of Duty 7" sold 13.7 million copies of the largest U.S. sales

"Call of Duty 7: Black action" has sold 13.7 million copies in the U.S. market as the best selling game in American history as of February 2011, according to data from market research firm NPD. In February this year, the top 5 games in the U.S. market were in turn: Call of Duty 7, comic hero vs Capcom 3 (Marvel vs. Capcom 3), "Full Dance 2" (Ethically Dance 2), "NBA 2k11" and "Death Space 2".　　"Call of Duty 7" has sold 13.7 million copies since its launch last November, surpassing "the first Wii" (Wii play) to the top. In addition, in February this year, US consumers spent 1.36 billion of dollars to buy games and mainframes, up from $1.33 billion a year earlier.　　Surprisingly, despite a 5% per cent year-on-year decline in consumer spending, host sales are still up 10%, and mainframe accessories are up 22% from a year earlier, driven by Microsoft's Kinect-sense game suite. The most popular game consoles in the U.S. market in February 2011 were Xbox 360, followed by the Nintendo Wii and Sony PS3.　　Xbox 360 sales volume of 535,000 units, year-on-year growth of 27%;wii to 454,000 units, PS3 about 400,000 units. In addition, sales of mobile games consoles such as the Nintendo DSi and Sony PSP fell 27%. Although Nintendo will release 3DS next month in the United States, mobile gaming platforms are moving toward smartphones and tablets. (Edit/Wenguang)