Well sometimes it depends if it's the campaign you just get any achievement ( Xbox 360) or a trophy ( PS3). If it's multiplayer then you can get 10th prestige or stay level 70 and get all weapons with Fall. If it's Special Ops then it just gives you achievements or trophies for you accomplishments.
No
prestiege
Nothing. Even on veteran. It's pointless.
Nothing really, you just get a achievement, I think.
You obtain the achievement named ''Star 69'' worth 90 points.
u dont
You can't
nothing
Some games will have more then 1 player.for a example halo you can have a guest.But on call of duty 4 mondern warfare you can only have 1 gamertag signed in and go to mulitplayer and xbox live. : )>
nothing
you get unlimited ammo
no it does not have gore i played the game and beat it there is not any gore!!!!