I Am Ultra Killer of Zombies

You have crash landed and now zombies are coming from the horizon! Arm yourself and prepare to take down hoards of zombies in this awesome upgrade shooter game! Stay behind your defenses, collect cogs, and defeat all of the zombies in each round! Spend your free time fixing the base, looking for food and creating new weapons! How long can you survive? Use the WASD KEYS ot the ARROW KEYS to move. Use YOUR MOUSE to aim and LEFT CLICK to shoot. Use the R KEY to reload. Good luck surviving the apocalypse!