Yes, although its very hacked
Yes I <3 (love) COD4 and I'm a girl
if your ps3 or xbox is hooked up to the internet and your on psn or xboxlive then click mulitplayer at the menu and choose play online.
yes u can if u have PC u may have to pay and for xbox u have to pay but if u have ps3 then no
It is said that you have to buy it.