Fend off the Zombies

The whole world is captured zombies and other not honor. You are with a group of survivors hid in the castle. You have given all the weapons and sent to protect settlements. Your task is one and simple: it is necessary not to let the zombies to the gate and not let them destroy them. If it does, all of humanity will die and there will be no chance of escape. Manage the game can be a mouse. All purchases can be made on the pause menu, which you can call by clicking the appropriate icon in the upper left corner.