Call of Duty: Modern Warfare 2

After another trip to World War II last year for the annual Call of Duty series, Infinity Ward has finally released the sequel to its monster hit Modern Warfare, and it has already gone beyond anyone's expectations. In the first 24 hours the game was available, more than 4.7 million copies were sold, generating $310 million in revenue, Activision reported. That made Call of Duty: Modern Warfare 2 the biggest entertainment launch in history, with higher day-one receipts than The Dark Knight movie or the final Harry Potter book. The buzz around Modern Warfare 2 is outrageous, but it's well deserved.