Its actually good game especially with how much 3D you could make out of Flash.
The game is a good idea and all, but its way too easy. Maybe make a mode where you don't have a crosshair. And you should make ammo limited, make the zombies drop the weapons. I was getting headshots off the zombies from miles away too because of the crosshair.
Very Gears of War-y style. I loved it. You should make a second one.
The boss battles I found were a bit normal, and the "zombies" were too easy to pick off with just a sniper.
i love it its like L4D2 with a hunting rifle i give it a 10