5. FIFA
Don't we all love a good game of football (Soccer)? Why go outside, and enjoy the benefits and rewards of real soccer, when you can have all the enjoyment without actual friends and/or benefits? Electronic Arts releases a yearly game based of the actual FIFA competition, featuring certain teams and features. The game series also can boast the actual official license from FIFA, and licenses from football teams around the world. Take that every other football based game.
The newest game, FIFA 11 is known to be the fastest selling sports game of all time. FIFA 11 caught $150 million before the first week of release ended; along with that, 2.6 million games were sold. The entire series has been known to have sold over 100 million games around the world for both consoles and computers.