Suggestions

• When was the Call of Duty Real-Time Card Game announced?

• When will the next title in the Call of Duty series be released?

• When was Call of Duty: Vanguard released?

• What is the best-selling first-person shooter game series according to Guinness World Records?

• Who handles the cover arts for the series?

• Which installment of the series is Call of Duty: Black Ops II?

• When was the most recent Call of Duty game released?

• What is the story of Call of Duty: Modern Warfare 3?