For Close Encounters
Get 10 one-hit head-shot kills with the shotgun in the single player Campaign.
1/8/2009
4:29:51 PM
Rare 22.1%
Talk To The Hand
Use the Auger force barrier to stop 150 incoming enemy shots in the single player Campaign.
1/8/2009
4:06:19 PM
Rare 38.5%
Tour of Duty
Complete one mission on each region in the Cooperative campaign.
1/1/2009
2:50:50 PM
Very Rare 7.4%
Primarch Hunter
Kill 200 Elite Chimera in the Cooperative campaign.
12/31/2008
4:18:44 PM
Very Rare 6.2%
Team Player
Complete 5 missions with a full party of 8 in the Cooperative campaign.
12/31/2008
9:52:20 AM
Rare 10.9%
Specter Initiate
Complete 20 missions in the Cooperative campaign.
12/31/2008
9:52:13 AM
Very Rare 8.1%
Specter Recon
Collect 50 pieces of gray tech in the Cooperative campaign.
12/29/2008
12:03:29 PM
Rare 15.6%
Resourceful Driver
Achieve a road kill and a .50 cal kill using the same 4x4, without dismounting.
12/21/2008
10:50:20 AM
Rare 10.5%
Shield Blaster
Arcade - Collect 5 shield tokens while already having a shield
12/21/2008
8:00:26 AM
Very Rare 9.1%
No Stone Unturned
Win 5 missions without using Mission Support in "World War III".
12/4/2008
3:53:35 PM
Rare 16.5%
Turning Point
Win a match after the enemy has triggered DEFCON in Conquest.
11/30/2008
12:01:38 PM
Rare 15.4%
Veteran
Win one match in each game mode (Conquest, Assault, Siege, Raid).
11/30/2008
11:28:03 AM
Rare 29.2%
Combat Chain Master
Defeat Tanks with Gunships, Gunships with Transports and Transports with Tanks.
11/30/2008
11:08:35 AM
Rare 37.3%