score 15,000 or more points on crows nest with campaign scoring on
yes you can
The Vidmaster Challenge is an Achievement that you have to unlock so you can get Recon Armor when Halo 3: ODST comes out.
You unlock the odst armor by unlocking the UNSC SPARTAN achievement
head-unlock overkill achievement shoulders-unloked by default with the new update body-unlock triplekill achievement
Unlock Halo 3:ODST's Campaign Complete Achievement. Once you beat the ODST campaign, visit Halo Waypoint on the dashboard to unlock the item.
To earn the Overkill Achievement in Halo 3, you must win the Overkill medal (kill four players within four seconds of each other) in a ranked free-for-all matchmaking playlist such as Lone Wolves.
you need to get 1000+ achievement points from halo 3
in the achievement were in for some chop on halo 3 you do not get scout shoulders, sorry
when you activate them all you get the achievement called Marathon Man. It should unlock the armor called Security Shoulders
Unlock what head?
Yes, like the original achievements, you can do the same for the Mythic Achievements pack.
get a life loser