Yes
You go to the main menu go to custom games and pick a map
you can on forge and custom games.
From the main menu go to custom games, and from there you can play any custom map or game type.
Yes, you can, but not in the campaign. Only in custom games, matchmaking, ect.
not if you make your own gametype and map. then you can play in custom games.
You go on custom games(not forge) and select a map and you're on without forge
Either their is something wrong with your internat or your halo custom edition is stuffed because it does let you play maybe you need to reinstall halo custom edition.
yes, your own custom games with people playing on your xbox
You can't. Its impossible. If you've ever played a game like this, then it was hacked.
In the BTEA there is 4 player split-screen, but that is all that is announced. But like all other Halo games there will probably be 4 player max on campaign, and 16 player max in custom games and matchmaking.
From what I heard, yes.
MAPS