Special Effects!
Turn the effects dial during every Effects Zone in any mix at any difficulty (not in the tutorial).
11/1/2009
3:16:43 AM
Common 72.5%
Multiplier Madness
Achieve an 8X multiplier during any mix (not in the tutorial).
11/1/2009
3:15:58 AM
Common 82.8%
Killing Spree - Kill 5 Helghast in 15 seconds
Kill 5 Helghast in 15 seconds whilst on foot and maintaining at least 85% health
3/1/2009
8:26:05 PM
Rare 39.3%
Primarch Hunter
Kill 200 Elite Chimera in the Cooperative campaign.
2/1/2009
11:13:24 PM
Very Rare 6.2%
The Basics
Complete one of the missions you receive in the mission log.
12/27/2008
10:23:19 PM
Common 89.1%
Specter Recon
Collect 50 pieces of gray tech in the Cooperative campaign.
11/15/2008
9:00:21 PM
Rare 15.6%
The Bigger They Are
Defeat the Leviathan in the single player Campaign.
11/15/2008
8:06:44 PM
Rare 39.8%
