Specter Officer
Reach max level with one class in the Cooperative campaign.
4/12/2009
6:05:06 PM
Ultra Rare 2.3%
Primarch Hunter
Kill 200 Elite Chimera in the Cooperative campaign.
1/28/2009
3:24:39 PM
Very Rare 6.2%
Tour of Duty
Complete one mission on each region in the Cooperative campaign.
1/24/2009
3:09:51 PM
Very Rare 7.4%
Specter Recon
Collect 50 pieces of gray tech in the Cooperative campaign.
1/11/2009
2:51:22 PM
Rare 15.6%
Team Player
Complete 5 missions with a full party of 8 in the Cooperative campaign.
1/11/2009
2:30:40 PM
Rare 10.9%
Talk To The Hand
Use the Auger force barrier to stop 150 incoming enemy shots in the single player Campaign.
1/7/2009
6:20:24 PM
Rare 38.5%
For Close Encounters
Get 10 one-hit head-shot kills with the shotgun in the single player Campaign.
1/4/2009
1:43:01 PM
Rare 22.1%
