Fertilizer Man
Kill 200 zombies in a single game. (Map Pack 2 only)
12/24/2009
3:54:46 PM
Very Rare 5.8%
Weapon of Minor Destruction
Kill no more than one zombie with a nuke. (Map Pack 2 only)
12/23/2009
6:17:21 PM
Very Rare 7.0%
Acquire Waffle Weapons!
Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)
12/19/2009
10:37:44 PM
Very Rare 5.6%
Firestarter
Complete a level using only the flamethrower. Melee, grenades & explosives are OK.
12/19/2009
12:04:28 PM
Very Rare 7.5%
Kamikaze
Complete a level on Regular difficulty or higher using only melee or grenades. (Solo only)
12/19/2009
11:49:56 AM
Ultra Rare 2.9%
Lights Out!
In 'Black Cats', blast out all of the spot lights in the Japanese cargo convoy. (Solo only)
12/18/2009
8:23:52 PM
Very Rare 6.2%
Ruthless
Kill 15 enemies while mounted on a tank in 'Ring of Steel'.
12/18/2009
7:59:52 PM
Ultra Rare 3.6%
Blue Ribbon
Complete a 4-player Competitive Co-Op match in 1st place. (Online co-op Only)
12/18/2009
7:25:20 PM
Very Rare 5.2%
Throw a Six and a Half
On Hardened or Veteran difficulty, complete a level without dying. (Solo only)
12/5/2009
10:33:49 AM
Very Rare 5.6%
Pack Addict!
Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)
11/12/2009
8:44:08 PM
Very Rare 5.4%
