Activision Blizzard, Inc., announced today that Call of Duty: Black Ops II has crossed the $1 billion mark in worldwide retail sales, according to Chart-Track retail customer sell-through information and internal company estimates. Illustrating the strong appeal of interactive entertainment to audiences worldwide, the game achieved this milestone in just 15 days after its launch on November 13, 2012. Last year’s Call of Duty: Modern Warfare3 reached $1 billion in retail sales in 16 days. The box office record set for feature films in 2009 by “Avatar” was $1 billion in 17 days.

That’s one popular franchise.