Master Conductor - Electrocute 3 Helghast
Electrocute 3 Helghast with a single burst from the VC5 Electricity Gun
3/29/2009
3:27:53 AM
Rare 21.9%
Elementalslayer - Kill the ArcTrooper within 1 minute 30 seconds
Kill the Tharsis Refinery ArcTrooper in under 1 minute 30 seconds
3/29/2009
3:13:08 AM
Rare 28.2%
Master Spy
Collect all the Intel documents in the single player Campaign.
3/25/2009
6:59:03 AM
Ultra Rare 2.2%
Berserker
Use every berserk at least once in online Competitive mode.
3/25/2009
1:04:22 AM
Ultra Rare 1.2%
Mind Your Surroundings
Get 50 indirect kills using explosive objects in levels in the single player Campaign.
3/24/2009
8:19:57 AM
Ultra Rare 3.9%
Explosives Expert
Get 150 kills with the Carbine 40mm, LAARK, or frag grenade in the single player Campaign.
3/24/2009
7:52:12 AM
Rare 18.7%
For Close Encounters
Get 10 one-hit head-shot kills with the shotgun in the single player Campaign.
3/24/2009
7:34:55 AM
Rare 22.1%
Pincushion
Get 50 kills with the Hedgehog in the single player Campaign.
3/24/2009
7:16:30 AM
Very Rare 8.5%
Pyromaniac
Set 100 enemies on fire with the Bellock, air fuel grenade, spider grenade, or environmental hazard in the single player Campaign.
3/24/2009
6:46:57 AM
Very Rare 6.4%
Spitting Lead
Kill 50 enemies using the Wraith with the force barrier engaged in the single player Campaign.
3/24/2009
6:38:20 AM
Rare 12.3%
Wrecking Machine
Destroy 40 vehicles in the single player Campaign.
3/24/2009
6:10:06 AM
Very Rare 7.0%
Point Man
Earn 1 million XP from ranked games in online Competitive mode.
3/24/2009
3:36:33 AM
Ultra Rare 2.1%
Specter Officer
Reach max level with one class in the Cooperative campaign.
3/24/2009
1:13:59 AM
Ultra Rare 2.3%
Professional - 3 revolver headshots in a row
Get 3 headshots in a row using the same clip of M4 Revolver ammunition
3/22/2009
10:27:30 PM
Ultra Rare 2.3%