Go into Combat Training and go to settings and you can choose how many CPU's you can play against.
Online Xbox 360 play is not free and the online multiplayer mode of Black Ops is the only format for multiplayer
no
Yes you must have internet connectivity in order to play multiplayer on the XBOX 360
Yes.
if it can play on the Xbox 360 then it should be able to go online
if you want to play multiplayer on the xbox 360 you can with and without connecting to xbox live. some games you have to connect to xbox live and some you don't. when you buy a game look at the back of it and it should tell you.
The only way you can be in multiplayer you have to get xbox live account then you have to get xbox gold for it (-you have to buy it) after you get xbox live you can add your friends but they have to have xbox live and xbox gold to play with you.
Yes The game does have a Co-op mode for online split-screen for Xbox 360 and PS3 and it also has a local split-screen multiplayer option see related link under multiplayer
I don't have this game but i have heard that its really challenging i think you need xbox live to play multiplayer
Yes. Look up" Black; the game for xbox 360.''
How do you unban multiplayer on your xbox 360
Yes u can just not the Multiplayer