get x box live and play for 3 months within that time youll get it check your helmets when you rank up
You unlock the armor.
go to http://hubpages.com/hub/Halo-3-Armor
You unlock the odst armor by unlocking the UNSC SPARTAN achievement
you have to get 49+ acheivments
There isn't a known cheat code for this on Halo 3.
you have to complete halo 3 odst on legendary, have xbox live and complete halo 3 on legendary
You have to complet the game on legendary
Get some skulls dummy
No, only elite's.
yes you still unlock the armor. you and the player that your playing with unlock the armor. =] =) =p q=].
there is no permanent cheats in halo 3. you need to unlock them by achievments. and, you can not get the flaming armor effect, it is only for bungie employees. in halo reach, buy the legendary package to get that armor effect.
Lucky for you, there is now a way to easily unlock recon armor. There are a few steps you must complete to unlock Recon armor in Halo 3. 1. Buy Halo 3: ODST 2. Create a bungie account. 3. Complete the vidmaster achievements on Halo 3 and Halo 3: ODST. There are 7 in all. 4. Under your account preferences, click Unlock Recon. You should now have recon armor. RUB IT IN THEIR FACES!!!