Making a family tree of the Call of Duty games would be a nearly impossible feat. It all started from one great World War 2 game, but since then it has branched off into numerous subseries ...

Here’s a list of all the Call of Duty games that have ever been released, year by year. The Call of Duty series started off ...

Another batch of four Call of Duty titles have made their way onto Microsoft's PC store. Just a week after the original COD ...

Bosses of the new Call of Duty game say they "touch on some ... another co-founder of Sledgehammer games, whose grandfather fought in WW2. "He had a Purple Heart and Bronze Star," he tells Newsbeat.

It's just a really cool collaborative environment." Call of Duty started off as a World War II game and has jumped between eras since, but has focused on modern conflicts in later instalments.