Overachiever
Score 750 points or more on a single kill (Multiplayer Only).
6/25/2011
10:52:05 AM
Rare 11.0%
Needle in a Haystack
Kill your target while hidden in a hay bale (Multiplayer Only).
6/25/2011
10:11:36 AM
Very Rare 7.3%
Job skills
During Open Conflict, kill your target and escape (Multiplayer Only).
6/19/2011
5:27:48 AM
Rare 13.8%
The Collector
Buy every weapon off the walls in a single Zombies game.
6/13/2011
2:12:16 PM
Ultra Rare 1.6%
Hands Off the Merchandise
Kill the Pentagon thief before it can steal your load-out.
6/13/2011
1:09:21 PM
Ultra Rare 4.4%
Fast Learner
Kill your target and escape your pursuer in less than 10 seconds (Multiplayer Only).
6/4/2011
9:29:58 AM
Rare 16.6%
Synchronization Established
Complete an entire Session with at least one kill (Multiplayer Only).
6/4/2011
7:36:03 AM
Rare 35.0%
The story has just begun
Win both story campaigns (not including What-If missions)
6/1/2011
10:29:37 AM
Very Rare 9.2%
You've escaped the Ark
Win all main missions of the Resistance campaign (not including What-If missions)
6/1/2011
10:29:27 AM
Rare 21.0%
No I insist, you take it
Use the last of your Supplies to refill a teammate's ammo rather than your own
5/29/2011
12:58:27 PM
Common 55.2%
To serve and protect
Win every Security campaign mission, including What-If missions
5/29/2011
8:17:29 AM
Rare 10.5%
You shall not pass!
While on defense, prevent the attackers from completing their first objective
5/29/2011
7:28:44 AM
Rare 37.1%
You've saved the Ark
Win all main missions of the Security campaign (not including What-If missions)
5/29/2011
7:28:35 AM
Rare 13.4%
That's how you win a match
While on defense, take down an attacker who's completing a Primary Objective
5/29/2011
7:16:05 AM
Rare 24.9%