How many days exactly?
Play Dead Island at least 28 days after starting it for the first time.
12/26/2011
4:05:37 PM
Rare 38.2%
Complete Da Vinci's Hideout
Complete the main path of Da Vinci's Hideout
12/25/2011
4:56:43 PM
Common 69.1%
Balloon Gold
Collect all of the gold tokens in the balloon dimension.
12/19/2011
12:58:32 AM
Very Rare 5.6%
Rush to the Sewers
Get from the treehouse all the way into the sewers as quickly as possible.
12/19/2011
12:24:04 AM
Rare 26.8%
You're Cooked
Defeat Saki in Normal or Hard Arcade Mode before time runs out.
12/18/2011
12:13:19 AM
Rare 48.4%
There's Gold in Them Thar Hills
Collect all of the gold tokens in the old timey dimension.
12/10/2011
6:27:19 PM
Ultra Rare 4.9%
The Full Cast
Unlock every single playable character (Baljeet, Isabella, Pinky, Peter).
12/10/2011
5:16:53 PM
Very Rare 7.6%