Ditching the Dog Tags: Call of Duty and Diversifying the FPS

Call of Duty has long ruled the console first-person shooter, and rightfully so.

Call of Duty reigned supreme, and every other shooter attempted to ape some part of it in order to capture even a fraction of its audience.

Call of Duty 4: Modern Warfare redefined the franchise, bringing it to the modern day and retooling its mechanics to make it the first-person industry standard.