Zombiewest: There and Back Again
You think that zombies are a problem right now, but zombies already become a problem i the old West before. There was this brave man, who eradicated those undead once and this is his story. The idea here is to kill as many zombies as you can. You go out the saloon and kill zombies. Of course, when your ammo is out, you need to run as fast as you can or you would be eaten. Each kill would earn you money. You can buy more ammo for your guns back at the salon with the money you earn.