Special Effects!
Turn the effects dial during every Effects Zone in any mix at any difficulty (not in the tutorial).
12/5/2009
8:37:02 PM
Common 72.5%
Multiplier Madness
Achieve an 8X multiplier during any mix (not in the tutorial).
12/5/2009
8:35:05 PM
Common 82.8%
Operative
Earn all 3 stars in at least 10 different Special Op missions.
12/5/2009
5:56:16 PM
Very Rare 5.6%
Operational Asset
Earn all 3 stars in at least 5 different Special Op missions.
12/4/2009
1:29:21 PM
Very Rare 9.7%
The Harder They Fall
Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops.
11/18/2009
10:28:02 PM
Rare 30.0%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
11/11/2009
11:06:17 PM
Rare 21.2%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
11/11/2009
6:42:41 PM
Rare 33.0%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
11/11/2009
4:34:08 PM
Rare 34.5%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
11/11/2009
4:19:19 PM
Rare 39.8%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
11/11/2009
3:07:55 PM
Rare 45.1%