Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
11/15/2009
4:57:42 AM
Common 57.6%
Three-some
Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops.
11/15/2009
4:29:53 AM
Common 54.5%
Specter Officer
Reach max level with one class in the Cooperative campaign.
12/13/2008
2:08:54 AM
Ultra Rare 2.3%
Point Man
Earn 1 million XP from ranked games in online Competitive mode.
11/23/2008
5:11:07 AM
Ultra Rare 2.1%
Primarch Hunter
Kill 200 Elite Chimera in the Cooperative campaign.
11/23/2008
2:14:20 AM
Very Rare 6.2%
Specter Initiate
Complete 20 missions in the Cooperative campaign.
11/21/2008
5:45:55 AM
Very Rare 8.1%
Team Player
Complete 5 missions with a full party of 8 in the Cooperative campaign.
11/18/2008
4:39:48 AM
Rare 10.9%
Tour of Duty
Complete one mission on each region in the Cooperative campaign.
11/18/2008
4:39:40 AM
Very Rare 7.4%
Specter Recon
Collect 50 pieces of gray tech in the Cooperative campaign.
11/17/2008
12:30:16 AM
Rare 15.6%
Talk To The Hand
Use the Auger force barrier to stop 150 incoming enemy shots in the single player Campaign.
11/14/2008
11:18:08 PM
Rare 38.5%
