Yes, if you browse through Games on Demand, you will be able to find halo.
Halo is only on the Xbox or the Xbox live.
Halo Wars does have Xbox live.
Yes you can
Halo is for Xbox only.
You can buy the actual disk
The only way to get map packs is buy xbox live. so yes
halo 3 is really fun. you have to buy it. halo reach is coming this fall 2010. halo 3 is awsome with xbox live. you can kill so many things and the campaign in fun. you have to buy it
You have to buy it from the Xbox market place. It should be the heroic map pack. You must have Xbox live.
yes the halo maps are free on xbox live.
no, you must connect to xbox live to download halo 3 map packs.
Yes. An Xbox Live Gold Subscription is required to play Halo 3's multiplayer.
No, you do not need Xbox LIVE to play any original Xbox games. Not all original Xbox games can be played, but Halo and Halo 2 do not need LIVE to be played on the Xbox 360. I just now tried it with my LIVE unplugged and signed in to an offline account and it let me play both of them. The previous answer was a lie, obviously.