Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
6/1/2010
2:20:08 PM
Rare 34.5%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
6/1/2010
1:50:51 PM
Rare 39.8%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
6/1/2010
1:26:06 PM
Common 57.6%
Perkaholics Anonymous!
Survive until round 20 without buying a single Perk. (Map Pack 3 only)
8/9/2009
1:19:31 AM
Ultra Rare 4.7%
Der Electrician!
Link all teleport pads before round 7. (Map Pack 3 only)
8/8/2009
4:24:59 PM
Very Rare 7.6%
Weapon of Minor Destruction
Kill no more than one zombie with a nuke. (Map Pack 2 only)
6/18/2009
4:39:20 PM
Very Rare 7.0%
Get Your Right Foot Wet
Complete a match in Competitive Co-Op mode. (Online co-op only)
5/17/2009
5:47:05 PM
Rare 16.8%
Get Your Left Foot Wet
Complete a match in Campaign Co-Op mode. (Online co-op only)
3/30/2009
2:25:27 AM
Rare 12.6%
Snake in the Grass
Take out a Japanese soldier lying in wait in the grass.
3/30/2009
2:18:03 AM
Rare 44.5%
Purple Heart
When staring into the face of adversity, show courage and persevere.
3/22/2009
10:07:04 PM
Rare 28.3%
New Kid on the Block
You've won an event online! Let's hope this victory is the first of many.
3/15/2009
4:08:12 PM
Very Rare 7.9%
