By July 2006 , the PlayStation 2 version of Madden NFL 2004 had sold 3.5 million copies .
By July 2006 , the PlayStation 2 version of Madden NFL 2004 earned $170 million in the United States alone .
By July 2006 , the PlayStation 2 version of Madden NFL 2004 had sold 3.5 million copies and earned $170 million in the United States alone .