Kill hordes of zombies in this upgrade defense shooter! Ultra Killer of Zombies has you defending your fortress on it's last stand! Shoot through zombies while collecting cogs to upgrade weapons, repair your barrier and search for food! Use strategy as every point matters! You only have a limited number of points to use per day, so be careful! How long can you survive?
THIS WEEK'S MOST POPULAR GAMES (week 47 of 2017)