Call Of Duty has the most popular online multi-player ever and thats no small feat. With fast and responsive controls, perks, kill-streaks and the constant push to rank up and unlock more stuff, it was not luck that got Call Of Duty to the top. However the often un sung hero of a games multiplayer, are the maps. Last week we looked the best that Halo had to offer so now lets take a look at some of our favourite battlegrounds from the last six Call Of Duty games.
