How many days exactly?
Play Dead Island at least 28 days after starting it for the first time.
1/7/2012
2:32:31 AM
Rare 38.2%
Senior Commander
Earn 5 or more Stars on a song in Career or Quickplay
12/24/2011
9:23:04 PM
Common 69.5%
Ace Pair
Finish any Duet with 2 players getting at least 3 stars on both choreographies.
12/22/2011
4:06:35 AM
Rare 27.5%
Got wood?
Deliver 15 resources of wood or metal to the team's stockpile in online games
12/6/2011
1:28:21 AM
Rare 39.1%
Not over till the fat lady sings!
Take down an enemy with gunfire while knocked down
11/21/2011
11:20:52 PM
Common 62.5%