Defense Spending
Buy all items from the Survival Equipment Armory.
11/20/2011
2:11:56 PM
Ultra Rare 2.9%
Back in the Fight
Start the Single Player Campaign on any difficulty.
11/14/2011
2:19:07 PM
Common 62.2%
Birdie
Kill 2 enemy helicopters without getting hit in a Special Ops Survival game.
11/10/2011
11:38:37 PM
Rare 29.2%
Sacrificial Lamb
Shoot at or be shot by an ally with a Pack-a-Punch crossbow and kill six zombies with the explosion.
10/9/2011
5:39:43 PM
Ultra Rare 0.8%
Drop Everything
Thunder Drop for a total distance of at least 500 meters.
6/12/2011
3:23:18 AM
Rare 43.2%