Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
7/7/2010
8:51:04 PM
Rare 39.8%
Knock-knock
Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops.
7/7/2010
8:37:34 PM
Rare 15.2%
Acquire Waffle Weapons!
Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)
9/10/2009
10:28:38 PM
Very Rare 5.6%
Perkaholics Anonymous!
Survive until round 20 without buying a single Perk. (Map Pack 3 only)
8/24/2009
9:43:15 PM
Ultra Rare 4.7%
Pack Addict!
Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)
8/20/2009
9:40:26 PM
Very Rare 5.4%
Der Electrician!
Link all teleport pads before round 7. (Map Pack 3 only)
8/12/2009
9:03:46 PM
Very Rare 7.6%
It's a Trap!
Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)
6/22/2009
12:56:28 PM
Ultra Rare 2.7%
Weapon of Minor Destruction
Kill no more than one zombie with a nuke. (Map Pack 2 only)
6/14/2009
9:02:32 PM
Very Rare 7.0%
Soul Survivor
Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)
6/14/2009
8:33:38 PM
Ultra Rare 4.3%
Perk-a-Holic
Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)
6/14/2009
8:15:04 PM
Ultra Rare 4.2%
Hammer Time
Repair 200 window boards in a single game. (Map Pack 2 only)
6/14/2009
7:06:22 PM
Ultra Rare 3.9%
Big Brawler
Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)
6/12/2009
11:54:38 PM
Ultra Rare 3.5%
The Professional
Shoot all of Amsel's henchmen, including their attack dog, without reloading. (Solo only)
3/15/2009
10:26:20 PM
Ultra Rare 4.1%
Get Your Left Foot Wet
Complete a match in Campaign Co-Op mode. (Online co-op only)
1/31/2009
10:57:09 PM
Rare 12.6%
Snake in the Grass
Take out a Japanese soldier lying in wait in the grass.
1/28/2009
10:14:12 PM
Rare 44.5%