Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
11/11/2009
3:09:21 AM
Common 57.6%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
11/11/2009
3:02:12 AM
Common 54.5%
Acquire Waffle Weapons!
Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)
8/24/2009
11:59:10 PM
Very Rare 5.6%
Blue Ribbon
Complete a 4-player Competitive Co-Op match in 1st place. (Online co-op Only)
8/22/2009
6:30:59 PM
Very Rare 5.2%
Get Your Right Foot Wet
Complete a match in Competitive Co-Op mode. (Online co-op only)
8/22/2009
6:30:55 PM
Rare 16.8%
Original fighter
Create A Fighter and use the CAF in Exhibition or Online Mode.
8/8/2009
8:27:34 PM
Rare 36.5%
Weapon of Minor Destruction
Kill no more than one zombie with a nuke. (Map Pack 2 only)
7/26/2009
8:56:25 PM
Very Rare 7.0%
Gunslinger
Assassinate General Amsel with a pistol shot. (Solo only)
5/31/2009
7:35:27 PM
Ultra Rare 2.7%
Get Your Left Foot Wet
Complete a match in Campaign Co-Op mode. (Online co-op only)
4/30/2009
8:43:27 PM
Rare 12.6%
I miss the Cold War
Outside Science Center, defeat each sniper guard with one shot.
2/20/2009
12:28:10 AM
Rare 27.5%
The nature of evil
Eliminate 10 players while blind firing from cover across all games.
2/18/2009
12:13:08 AM
Ultra Rare 4.0%
The Professional
Shoot all of Amsel's henchmen, including their attack dog, without reloading. (Solo only)
1/31/2009
8:37:59 PM
Ultra Rare 4.1%
No Safe Place
Burn an enemy out of a tree with the flamethrower in 'Hard Landing'.
1/30/2009
12:41:37 AM
Rare 27.7%
Firestarter
Complete a level using only the flamethrower. Melee, grenades & explosives are OK.
1/9/2009
9:11:56 PM
Very Rare 7.5%