Acquire Waffle Weapons!
Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)
9/28/2009
10:03:41 PM
Very Rare 5.6%
Weapon of Minor Destruction
Kill no more than one zombie with a nuke. (Map Pack 2 only)
9/24/2009
12:09:21 AM
Very Rare 7.0%
Pack Addict!
Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)
9/13/2009
7:33:09 PM
Very Rare 5.4%
Perkaholics Anonymous!
Survive until round 20 without buying a single Perk. (Map Pack 3 only)
9/7/2009
6:00:51 PM
Ultra Rare 4.7%
I miss the Cold War
Outside Science Center, defeat each sniper guard with one shot.
9/4/2009
9:28:14 PM
Rare 27.5%
Bloody Peleliu
Complete 'Little Resistance' on Veteran difficulty. (Solo only)
8/30/2009
1:02:01 PM
Very Rare 6.4%
Get Your Hands Dirty
Complete 'Semper Fi' on Veteran difficulty. (Solo only)
8/29/2009
10:54:36 PM
Very Rare 7.5%
Der Electrician!
Link all teleport pads before round 7. (Map Pack 3 only)
8/9/2009
7:10:06 PM
Very Rare 7.6%
