Why Call of Duty has lasted 20 years without triggering franchise exhaustion | Rob Kostich After 20 years, Call of Duty has hit more than $30 billion in lifetime revenue and more than 425 million copies sold. #press https://venturebeat.com/games/why-call-of-duty-has-lasted-20-years-and-how-to-make-it-last-longer-rob-kostich/?utm_source=press.coop