Do you spend your hours in combat with Modern Warfare or Black Ops? Do you find yourself studying the Call of Duty maps? If so, test your Call of Duty expertise with our online Call of Duty quizzes and games. Whether you're into sub-machine guns and sniper rifles, try our Black Ops grab bag weapons quiz or Modern Warfare 2 weapons trivia. If that doesn't do it for you, kill some time with the Modern Warfare 2 maps quiz. Sporcle's fun and entertaining Call of Duty quizzes and games are a great way to take a break in your day, and see if you truly are a Call of Duty expert.