Call of Duty 4 Tops 7 Million Units Worldwide, Labeled Best Selling Game of 2007

In all, the game sold in excess of 7 million units, according to data compiled from the NPD Group, Chart Track, and the GFK Group. Incredibly, that figure represents less than two whole months of sales, as the game deployed to stores in early November.

Of the overall figure, North American sales of the Xbox 360 version accounted for 3.04 million. The PC version, meanwhile, only sold 383,000 units at North American retailers