To get Call of Duty 4 multiplayer to work you need to first establish an internet connection with your game console. You can do this Via cable or wireless internet roater. After you have established a connection sign up to your consoles netwok. Eg. Xbox live or PlayStation network. Then simply turn on the game and you should be able to use online mode.
Side note to play online with your playstion 3 you need to be logged in with the correct user which has your playstation network information. Same goes for Xbox live.
On the main menu select the right most box named "Multiplayer". okay
It does work though people do tend to have errors getting it to work
Go to Multiplayer and go to Local.
It depends on the problem.
Yes, there is online multiplayer on Call of Duty 4: Modern Warfare.
Call of Duty World at War, Modern Warfare, Modern Warfare 2, Black Ops, and Modern Warfare 3 all have online multiplayer.
Unfortunately no, you can't play multiplayer on Call of Duty Modern Warfare 1 or on Call of Duty Modern Warfare 2 on the same screen. But on Call of Duty Modern Warfare 3 and Call of Duty Modern Warfare Black Ops you can play multiplayer on the same screen. There is an new Call of Duty Black Ops 2 coming out soon though, so I expect that to also have that feature, since its newer.
U go to multiplayer if no multiplayer u beat
Yes You Can
no, but there is call of duty reflex, a remake of CoD4 with multiplayer.
no , but call of duty modern warfare reflex (cod4) has
No you can't.
No. There is only Nintendo WFC.
Multiplayer is free.
There are a total of 70 levels (ranks) in Modern Warfare 2 Multiplayer.