People Person
Play with 10 different co-op partners for at least 15 minutes each.
10/15/2013
6:55:02 PM
Very Rare 7.0%
High Roller
Complete the "Iron Clad" Special Ops mission on Veteran difficulty.
10/4/2013
2:09:51 AM
Ultra Rare 0.1%
Not a Scratch
Finish with your tank at full health in the "Iron Clad" Special Ops mission.
10/1/2013
12:12:43 AM
Ultra Rare 0.1%
Ghost
Plant the C4 in 'Cliffhanger' without alerting or injuring anyone in the blizzard.
9/26/2013
6:57:31 PM
Ultra Rare 3.1%
Trapped in Time
In Mob of the Dead, use and upgrade all traps before round 10.
9/3/2013
2:19:46 AM
Ultra Rare 0.7%
How many days exactly?
Play Dead Island at least 28 days after starting it for the first time.
8/26/2013
6:48:48 PM
Rare 38.2%
Paranormal Progress
In Mob of the Dead, open a door without spending points.
8/25/2013
2:39:56 AM
Very Rare 7.8%
10 heads are better than 1
Kill 10 zombies in a row with headshots.
8/21/2013
12:59:26 PM
Ultra Rare 2.9%