"If your like me. You just want to go to a page and find these cheats and get back to the Game. I'm going to make this as easy as possible to that, Cause I want to come back here and do the same. Bookmark this site. You may need it in the future. Call of Duty 2 has to be one of the best online war type games out there. You actually get to fight battles with people world wide. Call Of Duty 2. Awesome! Unlock all Levels! On the mission select screen in the game enter the following code to unlock all the levels. Make sure you hold both the bumpers while entering this code from the d-pad."