Special Effects!
Turn the effects dial during every Effects Zone in any mix at any difficulty (not in the tutorial).
12/27/2009
4:14:46 PM
Common 72.5%
Multiplier Madness
Achieve an 8X multiplier during any mix (not in the tutorial).
12/25/2009
3:03:40 PM
Common 82.8%
The Price of War
Complete the single player campaign on Hardened or Veteran Difficulty.
12/3/2009
2:07:07 PM
Very Rare 5.8%
Out of the Frying Pan...
Complete the mission in the airplane graveyard.
12/1/2009
5:31:40 PM
Rare 33.0%
Some Like it Hot
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
11/24/2009
2:51:13 PM
Rare 39.8%
Ten plus foot-mobiles
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
11/24/2009
12:48:09 PM
Rare 45.1%
Two Birds with One Stone
Kill 2 enemies with a single bullet in Single Player or Special Ops.
11/23/2009
11:40:24 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.
11/23/2009
11:35:24 AM
Common 54.5%
Killing Spree - Kill 5 Helghast in 15 seconds
Kill 5 Helghast in 15 seconds whilst on foot and maintaining at least 85% health
9/21/2009
12:02:52 PM
Rare 39.3%
