Hit List
Kill every member of the opposing team at least once during a round.
1/10/2009
1:44:48 PM
Rare 20.6%
Specter Officer
Reach max level with one class in the Cooperative campaign.
12/19/2008
3:06:21 PM
Ultra Rare 2.3%
Primarch Hunter
Kill 200 Elite Chimera in the Cooperative campaign.
11/21/2008
1:49:14 PM
Very Rare 6.2%
Team Player
Complete 5 missions with a full party of 8 in the Cooperative campaign.
11/18/2008
1:24:51 PM
Rare 10.9%
Specter Initiate
Complete 20 missions in the Cooperative campaign.
11/17/2008
2:53:24 PM
Very Rare 8.1%
Tour of Duty
Complete one mission on each region in the Cooperative campaign.
11/14/2008
3:55:28 PM
Very Rare 7.4%