You cannot
Yes!
Same
vaffanculo
Yes
sadly no
you can check that on xbox live go to baracks, then leaderboards.
No but you can do splitscreen.
In Xbox Live i say no but the campaign is cool
the best map for xbox live on the game modern warfare 2 is either favela or rust.
Yes on the PlayStation Network, but if you have an Xbox you must pay for Xbox Live.
Modern Warfare 2 map pack the "Stimulus Package" is out on xbox live. and it costs 1200 MS Points in real money $15 and will be out for PSN on April 30th.
Its been said that at least 30% of the xbox live community playing Modern warfare 2 are girls.