Look Ma Two Hands
Kill 10 enemies in a row using akimbo weapons in Single Player or Special Ops.
5/13/2010
12:29:18 PM
Rare 12.6%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
5/11/2010
5:36:35 PM
Rare 30.0%
Pack Addict!
Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)
4/30/2010
1:56:09 PM
Very Rare 5.4%
Acquire Waffle Weapons!
Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)
4/28/2010
11:23:54 AM
Very Rare 5.6%
Perkaholics Anonymous!
Survive until round 20 without buying a single Perk. (Map Pack 3 only)
4/26/2010
4:45:17 PM
Ultra Rare 4.7%