Pack Addict!
Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)
8/26/2009
5:44:20 AM
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)
8/26/2009
5:41:14 AM
Very Rare 5.6%
Weapon of Minor Destruction
Kill no more than one zombie with a nuke. (Map Pack 2 only)
8/3/2009
3:13:14 PM
Very Rare 7.0%
Soul Survivor
Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)
7/1/2009
11:31:33 PM
Ultra Rare 4.3%
Hammer Time
Repair 200 window boards in a single game. (Map Pack 2 only)
6/21/2009
7:11:11 PM
Ultra Rare 3.9%
Defensive Fighter - Kill 30 Helghast with an emplaced weapon
Kill 30 Helghast using the StA3 fixed gun emplacement
4/22/2009
7:37:36 AM
Rare 45.1%
Stabbed in the Heart
Complete all missions on the Eastern Front on any difficulty. (Solo only)
3/27/2009
7:19:15 AM
Rare 29.0%
The Hammer Strikes
Complete 'Their Land, Their Blood' on Veteran difficulty. (Solo only)
3/27/2009
7:19:09 AM
Ultra Rare 4.2%
The Sword Is Broken
Complete 'Hard Landing' on Veteran difficulty. (Solo only)
3/24/2009
3:23:55 AM
Very Rare 5.6%
Bloody Peleliu
Complete 'Little Resistance' on Veteran difficulty. (Solo only)
3/23/2009
10:39:07 PM
Very Rare 6.4%
Get Your Hands Dirty
Complete 'Semper Fi' on Veteran difficulty. (Solo only)
3/15/2009
7:37:55 AM
Very Rare 7.5%
Purple Heart
When staring into the face of adversity, show courage and persevere.
3/12/2009
8:44:36 PM
Rare 28.3%
Shot in the Dark
Kill 10 enemies while the lights are out in the subway in 'Eviction'.
3/11/2009
9:43:41 PM
Rare 12.9%