Survive. There are 4 types of zombies and hp will be listed below. Use the up arrow or "W" to move and always move your mouse (You can use it to point your gun and the direction u want to walk in). Use a, s, d, or <, v, > to change the difficulty. Normal/Green: 2 shots Fire/Orange: 1 shot Ice/Light Blue: 3 shots Camo/Invisible or transparent: 2 shots
