'Call of Duty: Black Ops' Is Best-Selling Video Game Ever in U.S.

5:43 PM PST 3/10/2011 by Paul Bond

About 13.7 million units of the Activision game have been sold since it went on sale Nov. 9.

Call of Duty: Black Ops became the biggest selling video game in history in the U.S. by the close of February, according to data released Thursday from research firm NPD.

NPD said 13.7 million units of the Activision game have been sold domestically since it went on sale Nov. 9.