Zombie Area! (iOS,Mac & Android)

One man alone against the raving hordes of zombies. They come crawling, running and jumping, load your shotgun and blast them to pieces! How long can you survive?
[Download links]
iOS:
https://itunes.apple.com/us/app/zombie-area!/id480428545?mt=8
Android:
https://play.google.com/store/apps/details?id=com.rapidturtlegames.zombiearea
Mac:
https://itunes.apple.com/us/app/zombie-area!/id482452477?mt=12