Not anymore, the servers closed on April 15, 2010 for all xbox games
There is no "The Xbox Live", Xbox live is simply a pay-to-play game service where you can play Xbox 360 games online. It depends on the game if you can play it online or not, the game's box should on the back say if it can be played online.
You can play any online game without Xbox live.
If you mean, can you play a copied Xbox game on your Xbox 360. The answer is yes, but you will need to mod (chip) your xbox.
The game has to be able to go online.
No, players playing online on a computer version of a game cannot play with players online on the Xbox 360 version of the game.
you should always be able to play online without installing a game
Yes, you can play Halo 2 online on the Xbox 360 using Xbox Live.
You can play ghost recon online with a xbox 360 controller as long as you have purchased the ghost recon game. You need to have an unused code in order to play the game.
yes
The Playstation Network does not charge like Xbox live for online game play
The Lucasarts video game "Lucidity" can be purchased online via Steam if you are a PC user and via Xbox Live online if you wish to play the game on an Xbox.
yeh on the wii, xbox 360 and ps3