you start a forge session on xbox live with another person, and kill them in moniter mode (up on the d-pad) using anything, dropping a tank on them is the easiest way
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
Yes.... The scorpion tank is in every halo game.. (:
get a life loser
check xbox360cheats.com ,then click h then look for halo 3 then click achievement then look through them to see if it is or not.
no you don't you can get the achievement on campaign
no
THey get you an achievement, and they get you the Hayabusa helmet.
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 can get 43 achievements offline on halo 3 im not sure on odst.
1:Bungie gives it to you2:You get every vidmaster achievement in halo 3 and odst