Yes, you do.
YES! Halo reach has a "Forge" feature, which allows players to create maps, the reccomended map is forge world.
No. I'm sorry 2 say that I cannot possibly answer this question, as I have just recently started playing halo reach and do not know a lot about it.
Refering to halo 3 and halo reach their is a custom forge game mode, here you can build and shape your very own map creations for both custom and recreational use.
None known yet sorry but keep an eye out only hacks and glitches like glitching out of campaign maps.
as part of the release of Halo Combat Evolved Anniversary a few maps for matchmaking were released for Halo Reach I think the dlc is about 1200 Microsoft points
You can download Anniversary Maps to Halo: Reach but not to Anniversary.
i do belive there will be a forge to make maps like Halo 3 did.
The Halo Reach Beta will include four maps. You can read about them here.
you cant >:(
Yes, you do.
Halo anniversary has better graphics, halo reach multiplayer, new maps, and different music. However, there is a way to turn the old graphics back on if you want
Its only the HALO:CE maps
No, only Oddball.
Online u tar were else
Go search for them in Xbox Market Place.
there are three