Sacrificial Lamb
Shoot at or be shot by an ally with a Pack-a-Punch crossbow and kill six zombies with the explosion.
12/30/2010
9:03:38 PM
Ultra Rare 0.8%
Distance Shooter
Score from outside the box with a player with the Distance Shooter Speciality
12/27/2010
3:12:58 PM
Common 60.5%
The Collector
Buy every weapon off the walls in a single Zombies game.
12/19/2010
3:43:38 PM
Ultra Rare 1.6%
Hands Off the Merchandise
Kill the Pentagon thief before it can steal your load-out.
12/3/2010
4:33:50 PM
Ultra Rare 4.4%