It's a Trap!
Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)
1/22/2011
8:07:53 PM
Ultra Rare 2.7%
Big Brawler
Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)
1/22/2011
8:01:38 PM
Ultra Rare 3.5%
See Me, Stab Me, Heal Me
Fire a Pack-a-Punched Ballistic Knife at a downed ally to revive them from a distance.
1/22/2011
6:24:20 PM
Ultra Rare 4.5%
Sacrificial Lamb
Shoot at or be shot by an ally with a Pack-a-Punch crossbow and kill six zombies with the explosion.
1/22/2011
3:38:55 AM
Ultra Rare 0.8%
Hands Off the Merchandise
Kill the Pentagon thief before it can steal your load-out.
1/17/2011
9:52:36 PM
Ultra Rare 4.4%
Job skills
During Open Conflict, kill your target and escape (Multiplayer Only).
1/16/2011
11:10:53 PM
Rare 13.8%
The Collector
Buy every weapon off the walls in a single Zombies game.
1/13/2011
2:24:12 AM
Ultra Rare 1.6%
BLACK OP MASTER
Complete the campaign on Hardened or Veteran difficulty.
1/8/2011
8:23:11 PM
Ultra Rare 2.3%
Burn Notice
Complete "Rebirth" and "Redemption" on Veteran difficulty.
1/8/2011
7:44:44 PM
Ultra Rare 1.1%
Not Today
Complete "Crash Site," "WMD," and "Payback" on Veteran difficulty.
1/8/2011
7:26:58 AM
Ultra Rare 1.2%
It's your funeral
Complete "Numbers," "Project Nova," and "Victor Charlie" on Veteran difficulty.
1/8/2011
5:57:25 AM
Ultra Rare 1.2%