The Walking Dead

You figure there are too many outside to chance any type of escape maneuver through the front door. Looking up at the ceiling you notice a vent just above the cabinet that could be accessible. After a little prying you manage to pull the cover off and sunlight shines down into the room. Wish you had though of this when you were looking for the shotgun! With gun in hand you climb into the light and lay flat on top of the aluminum roof. No sooner are you through than the door on the shed bursts open and undead poor into the space below. Peering down you take a quick headcount and are happy you didn't try taking them by yourself. With the back lawn clear of zeds you jump down and make a run to the...