What Does This Button Do??
Complete Arcade Ladder without blocking (allowed to continue)
5/29/2011
9:44:39 AM
Rare 10.7%
These Aren't My Glasses!
Complete all Test Your Sight mini-game challenges
5/15/2011
12:12:09 PM
Ultra Rare 3.2%
Custom Badger
Create a custom badge for your level from a PlayStation®Eye photo or an in-game photo.
4/10/2011
5:00:42 PM
Very Rare 8.5%
See Me, Stab Me, Heal Me
Fire a Pack-a-Punched Ballistic Knife at a downed ally to revive them from a distance.
4/1/2011
7:02:51 PM
Ultra Rare 4.5%
They are going THROUGH!
In Ascension, kill at least 5 zombies with 1 Gersh Device.
3/7/2011
5:38:37 PM
Very Rare 6.3%