Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
3/4/2012
12:19:37 PM
Common 57.6%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
3/4/2012
12:14:52 PM
Rare 30.0%
They are going THROUGH!
In Ascension, kill at least 5 zombies with 1 Gersh Device.
2/12/2012
9:05:19 AM
Very Rare 6.3%
The Downward Spiral
Complete "Curious Tales from Blackwater, USA" Survivor Mission.
1/15/2012
8:53:47 AM
Rare 20.5%
Team Building
Complete all test chambers in the Team Building co-op course
1/7/2012
11:16:13 AM
Rare 46.8%
Between a rock and a hard place
Beat Solomon, flawlessly, in The Great Destroyer
1/3/2012
4:01:22 PM
Rare 25.4%
Untouchable
Completed the mission without using the fire extinguisher in Fire From The Sky
1/2/2012
10:34:10 AM
Rare 11.4%
