Team Player
Complete 5 missions with a full party of 8 in the Cooperative campaign.
12/28/2010
12:46:02 AM
Rare 10.9%
Tour of Duty
Complete one mission on each region in the Cooperative campaign.
12/27/2010
12:49:07 AM
Very Rare 7.4%
Specter Initiate
Complete 20 missions in the Cooperative campaign.
12/27/2010
12:49:00 AM
Very Rare 8.1%
Comeback Kids
Win after being behind in the last 2 min of the game (min qtr. len. 3 min, no OTP)
12/16/2010
4:00:22 AM
Rare 41.8%
Been There, Drove That!
Drive all vehicle types (Jeep, Tank, Heli, Boat)
12/7/2010
10:29:22 PM
Rare 37.3%
