Call of Duty is one kind of shutting game franchise which was developed by as well as the start up of that game is done by Microsoft Windows as well as the publisher is Activision.
There are several series are available of Call of Duty for example Call of Duty, Call of Duty 2, Call of Duty 3, Call of Duty: Modern Warfare, Call of Duty: word at war, Call of Duty: WW-|| and so on but the latest version is Call of Duty: Black ops 4.