Go through the entire campagin without killing any engineers. (The floating creatures that provide the brutes and other enemies with oversheilds)
In order to get the achievement "Good Samaritan" in Halo 3: ODST, you mustn't kill any engineers.
You unlock the odst armor by unlocking the UNSC SPARTAN 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.
1:Bungie gives it to you2:You get every vidmaster achievement in halo 3 and odst
You can get 43 achievements offline on halo 3 im not sure on odst.
The Vidmaster Challenge is an Achievement that you have to unlock so you can get Recon Armor when Halo 3: ODST comes out.
Play through the entire game without shooting an Engineer.I think you get it by not killing engineers in the campaign.
find out todayAnswerHalo 3: ODST is awesome! It is recommended for halo fans, especially if you play it in order - Halo Wars, then Halo: Combat Evolved, then Halo 2, then ODST, then Halo 3! IT's GREAT! Trust me.
You have to get the spartan graduate achievement by playing on Xbox Live
ODST Avatar armour can be obtained by 1. Owning Halo ODST2. Unlocking the ODST achievement 'Good Samaritan' (don't kill any engineers)3. Downloading Halo Waypoint4. Updating carier milestone5. Bleep-Bloop! Avatar Awards Unlocked6. Go to Avatar Creator and Select Awards7. Equip ODST Armour
in HALO 3 you are a Spartan and in HALO 3 ODST you are a Orbital Drop Strike Trooper (ODST)
Just beat all the levels on normal difficulty