Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
12/27/2009
6:01:11 AM
Rare 34.5%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
12/27/2009
5:20:13 AM
Rare 30.0%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
12/27/2009
4:43:35 AM
Rare 45.1%
Special Effects!
Turn the effects dial during every Effects Zone in any mix at any difficulty (not in the tutorial).
12/26/2009
7:19:40 PM
Common 72.5%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
12/26/2009
4:06:26 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.
12/26/2009
3:54:30 AM
Common 54.5%
Guitar and DJ
Play the Guitar DJ mode with one player as the DJ and the other as the Guitarist.
12/26/2009
1:13:48 AM
Rare 14.4%
Multiplier Madness
Achieve an 8X multiplier during any mix (not in the tutorial).
12/26/2009
12:14:53 AM
Common 82.8%
Team Spirit
(Secret) Complete Chapter 1 without failing more than 10 times.
8/8/2009
12:27:10 AM
Rare 19.6%