Yes a little
Yes Halo ODST's campaign is definatly going to be longer than the one in halo 3, the long campaign was one of bungies main objectives in the making of ODSTAnother answerer:No Halo 3 ODST does not have a longer campaign than Halo 3, it is only an expansion to Halo 3
You get the Halo 3 ODST campaign and Halo 3 multiplayer. Nothing else.
get a new halo 3 disc
no
What do you mean "How do you play solo campaign on Halo 3?" Just go to the Main Menu and select campaign and start Solo Campaign.
No. You can only access them in campaign
EDITING... From Tony: you have to be 2nd player in campaign
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
Be player 2 in the halo 3 co-op campaign. Or, play the Arbiter levels in halo 2.
there might be now because there is a new campaign on halo 3
no
Campaign is 9 missions you have to play through as Master Chief.