Perkaholics Anonymous!
Survive until round 20 without buying a single Perk. (Map Pack 3 only)
9/26/2010
12:04:12 AM
Ultra Rare 4.7%
Eliminator Efficiency
Win an Elimination event by being in 1st place at each elimination.
8/28/2010
3:08:04 PM
Rare 19.4%
Follow Me
In an event, change the track twice with a Route Changer Power Play.
8/28/2010
2:06:14 PM
Rare 27.4%
Ghost
Plant the C4 in 'Cliffhanger' without alerting or injuring anyone in the blizzard.
8/14/2010
12:38:48 PM
Ultra Rare 3.1%
First Day of School
Complete 'S.S.D.D' and 'Team Player' on Veteran Difficulty.
8/11/2010
5:59:24 PM
Very Rare 7.1%
It Goes to Eleven
Earn at least 1 star in 11 different Special Op missions.
7/28/2010
5:36:31 PM
Rare 17.0%
Team BlackRock
Beat a member of the development team or someone who has beaten them.
7/1/2010
11:10:30 AM
Rare 10.8%
