Berserker
Use every berserk at least once in online Competitive mode.
12/18/2010
6:57:17 AM
Ultra Rare 1.2%
Master Spy
Collect all the Intel documents in the single player Campaign.
12/18/2010
6:00:26 AM
Ultra Rare 2.2%
Point Man
Earn 1 million XP from ranked games in online Competitive mode.
12/13/2010
3:17:50 AM
Ultra Rare 2.1%
Mind Your Surroundings
Get 50 indirect kills using explosive objects in levels in the single player Campaign.
12/5/2010
3:06:08 PM
Ultra Rare 3.9%
Specter Officer
Reach max level with one class in the Cooperative campaign.
11/24/2010
9:29:30 AM
Ultra Rare 2.3%
Pyromaniac
Set 100 enemies on fire with the Bellock, air fuel grenade, spider grenade, or environmental hazard in the single player Campaign.
11/11/2010
11:57:02 PM
Very Rare 6.4%
Spitting Lead
Kill 50 enemies using the Wraith with the force barrier engaged in the single player Campaign.
11/11/2010
11:55:04 PM
Rare 12.3%
Exotic Weapon Collector
Get 20 kills with each weapon in the game in the single player Campaign.
11/11/2010
6:37:19 PM
Very Rare 6.9%
For Close Encounters
Get 10 one-hit head-shot kills with the shotgun in the single player Campaign.
11/11/2010
6:09:08 PM
Rare 22.1%