Time to kill monsters! In this game, you will be attacked by monsters. They will be trying to reach your wall, and you must protect it before they kill you! Every time you kill a monster, you will earn money. Click and hold the left mouse button to shoot. Press the space bar to drop missiles. Press the "H" key to heal your health for $50. You will start off with 1000 health. You must not let your health reach zero or you will lose and have to start over again. Try to protect your wall as long as you can to win. The apocalypse has begun!