For Close Encounters
Get 10 one-hit head-shot kills with the shotgun in the single player Campaign.
3/28/2009
1:44:23 PM
Rare 22.1%
The Bigger They Are
Defeat the Leviathan in the single player Campaign.
3/28/2009
12:48:24 PM
Rare 39.8%
Specter Recon
Collect 50 pieces of gray tech in the Cooperative campaign.
3/21/2009
7:07:21 PM
Rare 15.6%
Nowhere to Hide
Tag and kill 30 enemies with the Bullseye secondary fire in the single player Campaign.
3/21/2009
11:21:49 AM
Rare 15.4%
Sharpshooter
Get 30 headshots while scoped in with the Fareye or Marksman in the single player Campaign.
3/21/2009
10:53:11 AM
Rare 31.1%
Talk To The Hand
Use the Auger force barrier to stop 150 incoming enemy shots in the single player Campaign.
3/21/2009
10:42:15 AM
Rare 38.5%
Team Player
Complete 5 missions with a full party of 8 in the Cooperative campaign.
3/20/2009
7:38:52 PM
Rare 10.9%
Maxed All Tracks
Purchased every slot in all four Plasmid and Tonic tracks
3/19/2009
7:38:39 PM
Rare 19.6%
Dealt with every Little Sister
The player has either Harvested or Rescued every possible Little Sister
3/18/2009
5:05:39 PM
Rare 21.4%
Ammo Inventor
The player has successfully invented all possible ammo types
3/14/2009
11:46:04 AM
Rare 24.4%
Broke Fontaine's Mind Control
The player has broken Fontaine's mind control
3/13/2009
8:17:24 PM
Rare 35.2%
Fully Researched Gun Splicer
The player has fully researched the Leadhead Splicer
3/13/2009
5:47:56 PM
Rare 18.6%
