AWSD to move, mouse to point and shoot R to reload P to pause 1, 2, 3, 4, and 5 to toggle between weapons (you must buy weapons 2-5 first) Basically, shoot the zombies and keep away from them. As the levels go on, the zombies will get tougher. After each level, you will be able to rehealth and buy weapons Have fun! Oh, and when unpausing, try clicking the return to game button several times, because it's off a little
