Frozen in Time
Kill 50 Necromorphs while they are in Stasis (single player only)
2/13/2011
6:10:10 PM
Rare 28.0%
Shock Therapy
Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others (single player only)
2/7/2011
8:03:05 PM
Rare 17.5%
Going for Distance
Impale an enemy and make him fly through the air for 17 meters - it must stick to the surface
2/6/2011
1:24:10 PM
Rare 30.7%
Taste of your own Medicine
TK Impale a live Slasher to a surface using a Slasher's arm - it must stick to the surface
2/6/2011
1:24:03 PM
Rare 40.8%
2nd Tour of Duty
Achieve the best squad award on Operation Hastings
1/29/2011
1:24:24 PM
Ultra Rare 3.0%
Just Because I Can
Finish first on the scoreboard on any Vietnam level
1/8/2011
5:11:52 PM
Ultra Rare 3.3%
Can I Go Home Now?
Win a round of either Rush or Conquest on all four Vietnam levels
1/8/2011
5:11:43 PM
Ultra Rare 3.2%