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.
Yes you must have internet connectivity in order to play multiplayer on the XBOX 360
if it can play on the Xbox 360 then it should be able to go online
Online Xbox 360 play is not free and the online multiplayer mode of Black Ops is the only format for multiplayer
Yes, it has multiplayer.
if you have an xbox 360 or ps3 you can play online multiplayer
online multiplayer
they are less than with the Xbox 360 or PS3 but you can play online multiplayer with the Wii
no
This question does not give much detail to answer. However, you can play online if your xbox has internet connection and a gold membership profile.
Yes.
on the xbox 360 you could play many games and if you go to the market place on the xbox you could download the games and yes there is a online multiplier uno there
The PC, PS3 and Xbox 360 versions of the game all have online multiplayer. see related link