Gas Powered
Complete an entire arena, getting every kill with the Chainsaw
10/31/2010
1:25:42 AM
Common 63.0%
Pin Cushion
Stick 4 projectiles in a single opponent as the primary player.
10/31/2010
1:06:45 AM
Common 63.4%
Fertilizer Man
Kill 200 zombies in a single game. (Map Pack 2 only)
10/10/2010
11:47:03 PM
Very Rare 5.8%
Perk-a-Holic
Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)
10/10/2010
11:39:28 PM
Ultra Rare 4.2%
Blue Ribbon
Complete a 4-player Competitive Co-Op match in 1st place. (Online co-op Only)
9/25/2010
5:19:19 PM
Very Rare 5.2%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
9/5/2010
4:03:07 PM
Rare 34.5%
No Safe Place
Burn an enemy out of a tree with the flamethrower in 'Hard Landing'.
9/5/2010
2:35:17 AM
Rare 27.7%
Acquire Waffle Weapons!
Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)
8/29/2010
4:51:35 PM
Very Rare 5.6%
Pack Addict!
Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)
8/16/2010
7:15:03 PM
Very Rare 5.4%
Perkaholics Anonymous!
Survive until round 20 without buying a single Perk. (Map Pack 3 only)
8/16/2010
6:56:01 PM
Ultra Rare 4.7%
