13
No
Be player 2 in the halo 3 co-op campaign. Or, play the Arbiter levels in halo 2.
yeah look at best buy
well what you do is beat all levels on halo 3 then you get the cool armor
ghost town and covenant
Chieftains are one all the levels except floodgate, Cortana, and Halo.
Tsavo highway and Floodgate
I am pretty sure over twenty levels unless one level equals all of the night then like 4 :P
id say cod4 cause you have so many levels you can reach
As of the time of typing the Halo series has had the following games Halo: Combat Evolved Halo 2 Halo 3 Halo Wars Halo 3 ODST Halo Reach Halo 4
Currently 5 with an upcoming 6th in late 2010 Halo: Combat Evolved Halo 2 Halo 3 Halo Wars Halo 3 ODST Halo Reach
over a million. halo 3 is a trillion