Tour of Duty
Complete one mission on each region in the Cooperative campaign.
8/2/2011
2:11:06 AM
Very Rare 7.4%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
9/13/2010
1:17:54 AM
Common 54.5%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
9/12/2010
7:32:14 PM
Common 57.6%
Team Player
Complete 5 missions with a full party of 8 in the Cooperative campaign.
9/12/2010
12:57:26 AM
Rare 10.9%
Specter Recon
Collect 50 pieces of gray tech in the Cooperative campaign.
9/11/2010
6:07:51 PM
Rare 15.6%
