Yes
Because they are completely online.
yes. You have to Buy the Map Packs to get them and they will not play without the game. Anyone can download the Map Packs if they purchase them, but you need the game to install and play them
You can choose to play online or not.
Internet. n00b.
You need the internet if you want your game console to be better. All of the Black Ops game versions are better when the internet is also a game possibility choice
No
Yup, in order to play online you need internet.
No you need a internet connection to play combat training which is pretty worthless
Yes you do.
You need an internet connection to play online only
yes, you just need to be conected to the internet,