How many days exactly?
Play Dead Island at least 28 days after starting it for the first time.
12/30/2011
6:49:50 PM
Rare 38.2%
People Person
Play with 10 different co-op partners for at least 15 minutes each.
12/16/2011
5:59:12 AM
Very Rare 7.0%
Going steady
Complete 25 quests while playing with at least one co-op partner.
12/12/2011
4:33:02 AM
Rare 12.5%
Together in the light
Complete 5 quests in a single co-op game with the same partners.
11/21/2011
1:41:23 AM
Rare 17.3%
A taste of everything
Kill a zombie with 10 different melee weapons.
11/20/2011
10:06:34 AM
Common 56.6%
Shield Blaster
Arcade - Collect 5 shield tokens while already having a shield
9/22/2011
5:39:02 AM
Very Rare 9.1%