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There are three sentry guns in Call of Duty: Modern Warfare 2 Special Ops mission Homeland Security.
There are a total of 28 guns in Black Ops 2. This is not counting the riot shield or knife.
Including all the pistols, SMG's , shotguns, assault rifles, sniper rifles, and LMG's, there is 26 guns in Call of Duty 4, although I didn't include the rocket launchers, because I don't see those as guns.
guns on call of duty modern warfare 2 are M4A1, ACR, FAL, SCAR-H,TAR-21,AK47, MP5K,UMP45,P90,MINI UZI, INTERVENTION.WA200,RPD, AND MANY MORE
Call of Duty, Call of Duty 2, Call of Duty 3, Call of Duty 4: Modern Warfare, Call of Duty 5: World at War and Call of Duty: Modern Warfare 2. There also different titles that can be played on other systems such as PS3, Nintendo Ds and the Wii. Examples include: Call of Duty: Reflex Edition. *Note: Call of Duty 2 and Call of Duty 2: Big Red One are different. Other game variations include: Finest Hour, United Offensive, Final Fronts, etc.
there are four one for each player
they made 6 call of duty s There are 13 call of duty out there, with expansions.
there are eight call of duty games
there is seven call of duty series
Yes. Many classes of different weapon's, perks, and equipment.
The problem with deciding which game is more popular is that they are games from two different genres. If you want to base it on the number of copies sold, the Call of Duty series has surpassed Spore by many copies mostly because there are many more Call of Duty games.