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- Member Since: December 9, 2012
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- Member Since: May 15, 2008
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ODST's multiplayer IS Halo 3's multiplayer. ODST has a different campaign and a new mode called Firefight but then comes with a separate disc that is Halo 3's multiplayer mode. It's like popping in the Halo 3 disc but you can't play the campaign.
Halo Anniversary has Reach's multiplayer but only the maps recreated from the original Halo. If you play off the Halo Anniversary disc you can only join Reach games with those playlists and you don't get the complete Reach game.