It'll Cost Ya
You made a taxi trip from one island to another without skipping.
9/11/2009
7:45:45 PM
Rare 11.5%
The Sword Is Broken
Complete 'Hard Landing' on Veteran difficulty. (Solo only)
8/25/2009
12:03:56 AM
Very Rare 5.6%
Bloody Peleliu
Complete 'Little Resistance' on Veteran difficulty. (Solo only)
8/24/2009
11:15:31 PM
Very Rare 6.4%
Get Your Hands Dirty
Complete 'Semper Fi' on Veteran difficulty. (Solo only)
8/24/2009
11:00:58 PM
Very Rare 7.5%
Shot in the Dark
Kill 10 enemies while the lights are out in the subway in 'Eviction'.
8/22/2009
4:49:37 PM
Rare 12.9%
Firestarter
Complete a level using only the flamethrower. Melee, grenades & explosives are OK.
8/20/2009
8:01:00 PM
Very Rare 7.5%
Kamikaze
Complete a level on Regular difficulty or higher using only melee or grenades. (Solo only)
8/20/2009
7:53:10 PM
Ultra Rare 2.9%
Der Electrician!
Link all teleport pads before round 7. (Map Pack 3 only)
8/19/2009
4:53:51 PM
Very Rare 7.6%
Perkaholics Anonymous!
Survive until round 20 without buying a single Perk. (Map Pack 3 only)
8/13/2009
5:01:53 AM
Ultra Rare 4.7%
Pack Addict!
Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)
8/13/2009
2:29:34 AM
Very Rare 5.4%
Blue Ribbon
Complete a 4-player Competitive Co-Op match in 1st place. (Online co-op Only)
6/19/2009
5:28:31 PM
Very Rare 5.2%
Throw a Six and a Half
On Hardened or Veteran difficulty, complete a level without dying. (Solo only)
5/4/2009
10:11:08 PM
Very Rare 5.6%