4
There are about 23 million ONLINE Xbox users. The total amount of ALL the Xbox users is unknown.
1-8
Over XBOX Live, there can be at the most four people playing one campaign session. On a single XBOX 360, only two people can play at the maximum.
There are many Xbox games that allow four players to play at once. You can also link four Xbox machines so four of your friends can play at four different locations.
Not manny
4
There are about 23 million ONLINE Xbox users. The total amount of ALL the Xbox users is unknown.
Yes, there are many people who play FEAR 3 online on Xbox 360.
1-8
i dont think many people play halo 2 pc, but alot of people play halo 2 xbox with xbox live!
less than the 360
Yes you can. I saw that its better than playing it on the xbox. But multiplayer is a little hard to get for many people.
No
You can play many regular Xbox games on the Xbox 360.
You can play it while signed into xbox live, but you cant play with other people through xbox live on oblivion.
Over XBOX Live, there can be at the most four people playing one campaign session. On a single XBOX 360, only two people can play at the maximum.