From your Xbox Dashboard go into the options menu and select an option along the lines of "Data" or "Memory" or "Storage"
You lose your unsaved progress. :)
Find your saved game data in your hard drive and delete it.
Halo 3: ODST is the newest of the two, but not the newest Halo game.
They are saved on your console, which means you can play them in Custom Game, or Forge. Thanks, Hope it helped, Kruh.
If youhave the "Halo 3 Mythic" it does not let you play campaign but if you have "halo 3" your disc is broken but on halo 3 mythic campaign isn't on that disc. Add me on xbox live im Mr quiggels
Halo 3?
You have to go to xbox home then go to system then go to storage and delete your saved game and thats how
No, the original game will not be deleted if you just start another new game. Your "old" loads keep saved.
it goes halo, halo 2, halo 3, halo 3 odst and soon halo reach will be available
halo 3
halo 1,2,and 3
halo 3 odst