call of duty 3 is an xbox 360!, ps3!, and wii!  game. you can play it on xbox live!. it is rated T for teen. It is not only for xbox 360 ps3 or wii it is also for the ps2 as well. There are many diffrent call of duty's there are 4 diffrent one's. It is a one player game only. You can get many diffrent guns like an ak-47 a pistal and other guns. You fight Germans Japan ect. You drive cars and tanks and stuff like that.oh yeah on the last level you can use a rocket loncher and other gun's like that. You dont have to wiat till the end to save the game it saves by it's self through out the game you play and if you dont know how to play x is to jump r1 is to shoot r2 is to throw granads l2 is to throw smoke granads square is to relaod pick up guns and get into stuff like cars and tanks o is to crouches and craws analog stick is to move and look around and you can't use the derectional pad.

Sources of Information: http://en.wikipedia.org/wiki/callofduty3