No.
you cannot be the flood in halo
THE halo games that have the flood are halo combat evolved,halo 2,halo 3 and halo wars
You need all maps( Heroic, legendary, and mythic) to play on the playlist cold storage is optional but not needed.
no the were only on halo rings
halo 1,2,and 3
No.
No, there is no flood in Reach. With the expception of halo wars the flood was not released until halo combat evolved where the humans stumbled across their existence in search of a lost platoons distress beacon.
No. You can never play as the flood.
it should be since the multi player is the same but u can always find it in the game marketplace under halo 3
you probaly need legendary, cold storage and/or the heroic map pack.
the flood is a virus which takes over dead bodies
No.