"By January 2008, Call of Duty 4 had sold more than seven million copies worldwide, and was the best-selling game of 2007. On June 3, 2008, Infinity Ward reported that Call of Duty 4 had sold over 10 million units. During a May 2009 conference call, Activision announced that the game has sold 13 million copies."
Looks like World at War (release date Nov 11) got to 11 million in the same time Modern Warfare (release date Nov 6) got to 10 million (June 3 08 sales report for MW and June 15th 09 sales report for WaW). However...,
MW: Mac OS X, PlayStation 3, Windows, Xbox 360
WaW: Microsoft Windows, Nintendo DS, PlayStation 2, PlayStation 3, Wii, Xbox 360, Windows Mobile
2
From Wikipedia:
"By January 2008, Call of Duty 4 had sold more than seven million copies worldwide, and was the best-selling game of 2007. On June 3, 2008, Infinity Ward reported that Call of Duty 4 had sold over 10 million units. During a May 2009 conference call, Activision announced that the game has sold 13 million copies."
Looks like World at War (release date Nov 11) got to 11 million in the same time Modern Warfare (release date Nov 6) got to 10 million (June 3 08 sales report for MW and June 15th 09 sales report for WaW). However...,
MW:
Mac OS X, PlayStation 3, Windows, Xbox 360
WaW:
Microsoft Windows, Nintendo DS, PlayStation 2, PlayStation 3, Wii, Xbox 360, Windows Mobile