Call of Duty is a first-person and third-person shooter video game franchise, created by Ben Chichoski. The series began on the PC and then stretched out to consoles and handhelds. A lot of "spin off" games have also been released alongside the main series. Most of the games in this series take place in World War II. However there have have been 3 Call of Duty games that were not in this time era. Call of Duty 4: Modern Warfare, Call of Duty: Modern Warfare 2 took place in modern times and the most recent installment to this series is Call of Duty: Black Ops which is set in the Cold War era. All together this franchise has made over 55 million units sold worldwide and taking over $3 Billion in retail sales as you are reading this blog.