Berserker
Use every berserk at least once in online Competitive mode.
10/17/2012
11:44:29 PM
Ultra Rare 1.2%
Primarch Hunter
Kill 200 Elite Chimera in the Cooperative campaign.
10/16/2012
10:59:52 PM
Very Rare 6.2%
Tour of Duty
Complete one mission on each region in the Cooperative campaign.
10/16/2012
6:31:18 PM
Very Rare 7.4%
Specter Initiate
Complete 20 missions in the Cooperative campaign.
10/15/2012
9:42:27 PM
Very Rare 8.1%
Team Player
Complete 5 missions with a full party of 8 in the Cooperative campaign.
10/15/2012
8:46:23 PM
Rare 10.9%
Specter Recon
Collect 50 pieces of gray tech in the Cooperative campaign.
10/15/2012
8:46:11 PM
Rare 15.6%
Still Alive
Complete Course 4 with neither you nor your co-op partner dying
10/11/2012
7:24:49 PM
Ultra Rare 1.4%
Friends List With Benefits
While playing co-op, hug 3 different people on your friends list
10/10/2012
7:08:34 PM
Ultra Rare 1.4%