Can I Go Home Now?
Win a round of either Rush or Conquest on all four Vietnam levels
4/2/2011
7:18:23 AM
Ultra Rare 3.2%
Just Because I Can
Finish first on the scoreboard on any Vietnam level
4/2/2011
3:51:29 AM
Ultra Rare 3.3%
Last Stand
Survive all five waves in the battle for Object Rho ("Arrival" downloadable content)
3/30/2011
3:48:04 AM
Very Rare 5.1%
The Ultimate Sacrifice
Complete the Arrival DLC ("Arrival" downloadable content)
3/30/2011
2:27:55 AM
Rare 10.3%
Covert Action
Rescue Dr. Amanda Kenson without attracting hostile attention ("Arrival" downloadable content)
3/30/2011
1:05:35 AM
Ultra Rare 4.9%
Mission... Accomplished.
Online: in a round do one kill with the knife, the M60 and the RPG-7
3/29/2011
10:52:00 PM
Very Rare 5.2%
Combat Service Support
Online: do 10 resupplies, repairs, heals, revives and motion mine spot assists
3/28/2011
11:15:18 PM
Rare 12.2%
Atacama Desert Conquered
Successfully complete Atacama Desert in Onslaught mode on any difficulty
3/27/2011
6:48:30 AM
Ultra Rare 3.2%
Atacama Desert Veteran
Successfully complete Atacama Desert in Onslaught mode on Hardcore difficulty
3/27/2011
6:48:24 AM
Ultra Rare 1.0%
Isla Inocentes Veteran
Successfully complete Isla Inocentes in Onslaught mode on Hardcore difficulty
3/27/2011
6:12:19 AM
Ultra Rare 0.9%
Isla Inocentes Conquered
Successfully complete Isla Inocentes in Onslaught mode on any difficulty
3/27/2011
6:12:12 AM
Ultra Rare 3.0%