Around the internet you'll start seeing State of Decay screenshots popping up as part of a scavenger hunt that Undead Labs is holding. Well guess what! If you're currently scouting around for every screenshot and came across this page, you've found screenshot 18!
If you have no idea what I'm talking about, then if you manage to find every screenshot that's a part of the scavenger hunt and then email the Director of Community at Undead Labs, Sanya Weathers, you'll get a preview copy of State of Decay granted you're the first. If you're not the first, you'll still have a chance at other prizes. Sanya can be reached here.
The details of the contest are also here.