You can if your signed into xbox live if you are signed into xbox live and still cant then go to the help section on xbox.com
you cant
you cant play as a grunt
Just change family setting to play that content
From the main menu go to custom games, and from there you can play any custom map or game type.
you cant its impossible
no you cant
no, it has to be either halo 3 or halo odst and reach might, i dont know but halo 1 cant
you cant unless you have mods
Defiant Map Pack
the DLC for the Halo Reach controler is a Banshee propo for your avatar to play with.
you cant you can only play as arbiter or master chief
Halo two map pack is simply an expansion set for halo two. Giving you new maps and content, it isn't a playable game. So in other words no, you have to have halo 2 to play halo 2.