Special Effects!
Turn the effects dial during every Effects Zone in any mix at any difficulty (not in the tutorial).
12/26/2009
8:16:43 PM
Common 72.5%
Multiplier Madness
Achieve an 8X multiplier during any mix (not in the tutorial).
12/26/2009
6:18:44 PM
Common 82.8%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
12/20/2009
1:43:18 PM
Rare 17.0%
Desperado
Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops.
12/3/2009
9:25:02 PM
Rare 21.2%
Look Ma Two Hands
Kill 10 enemies in a row using akimbo weapons in Single Player or Special Ops.
11/30/2009
10:45:29 PM
Rare 12.6%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
11/30/2009
10:24:13 PM
Rare 39.8%
Unnecessary Roughness
Use a riot shield to beat down an enemy in Single Player or Special Ops.
11/20/2009
5:52:59 PM
Rare 34.5%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
11/20/2009
5:43:26 PM
Rare 33.0%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
11/19/2009
3:58:10 PM
Rare 45.1%