Challenge Addict
Get at least a bronze medal on 10 different single player challenges.
7/21/2012
1:52:22 PM
Very Rare 5.5%
Save the Girl... Yet Again
Save a damsel in distress for the third and final time.
7/20/2012
6:53:46 PM
Very Rare 8.0%
Even More Help From My Friends
Get a gold medal on all co-op challenges.
7/20/2012
5:41:00 PM
Ultra Rare 1.3%
More Help From My Friends
Get at least a bronze medal on all co-op challenges.
7/20/2012
10:16:57 AM
Ultra Rare 1.4%
Help From My Friends
Get at least a bronze medal on 10 different co-op challenges.
7/19/2012
8:36:58 AM
Ultra Rare 1.9%
Mixed Messages
Take a picture with elements of horror, brutality, outtake and erotica in a single shot.
7/17/2012
3:56:48 PM
Very Rare 5.4%
Safety Check: Failed
Use the amusement park rides to kill 10 zombies at once.
7/17/2012
10:20:31 AM
Rare 12.0%
