40 Yard Dash
Maintain a Boost dash to the limit of the ARS reactor without overheating.
1/4/2011
5:12:05 PM
Rare 34.7%
Two Birds with One Stone
Destroy two or more enemy robots at once with the LFE gun.
1/4/2011
5:09:37 PM
Rare 42.1%
Short Circuit
Destroy ten enemy robots that have been disabled with an EMP emitter.
1/4/2011
4:31:05 PM
Rare 39.3%
Robots Tend to Blow Up
Destroy three enemy robots at once with one hand grenade.
1/4/2011
11:54:23 AM
Common 61.6%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
12/29/2010
4:02:40 PM
Common 57.6%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
12/29/2010
3:55:38 PM
Rare 17.0%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
12/29/2010
2:31:52 PM
Rare 39.8%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
12/29/2010
2:26:36 PM
Rare 30.0%