no Would not matter if they did link PS3 games are not compatible with Xbox 360 games and vice verse. They could not play even on the same network any more than a PS3 game could work in a Xbox 360 console. Even if the networks were linked you would need new games developed comparable for both systems and that may not even be technologically possible. If it was they would do it to drastically reduce inventory costs for stocking so many game versions in each retail store.
Xbox Live
They are from the pc, online xbox live account. What ever achievements you earn from that game goes to your xbox live account's gamerscore and be classified as "Halo 2: PC".
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.
Because you have Xbox live and MW2 can be played online?
Xbox live is the online program included in all XBox. So yes.
No, you do not need the card; getting Xbox Live online works with it too. But, you do need Xbox Live for you to go online, if that's what you were wondering.
Yes, XBOX live, or "online play" is included.
Xbox live is just online you can get live for any Xbox such as Xbox arcade, xbox elite,the slim.Live is not a console.
XBOX Live is not a game console. It's a online game service for the XBOX 360.
Yes.
You can only be the infected by playing XBOX LIVE or online. I am not sure about system link or LAN Network.
You do not need xbox live to play Tom Clancy End War. Xbox live is only necessary if you wish to multiplayer.