yes they do
Only if you have got a hardrive if not no
I am assuming you are talking about Grand Theft Auto 4, Then it would be PC, PS3, and the Xbox 360. If you are talking about a different GTA, then I dont know..
no. san Andreas cheats work on vice city.
No it does not
no sorry, although when the xbox 720 comes out you will be able to play your xbox games on the computer, but not the other way around
it doesn't work.
no it dosent there is no money cheat for vice city.
type it in
yes go to a girl in your car and then beep the horn it might not work most of the time