added new skins and new stuff this is the free version. WASD or arrow keys to move. Space or click to shoot. 12 bullets. NEW GUN: machine Gun 2 bullets per second Reload time 1 seconds. Health: 100. Damage for 3 zombies: 10. 2 second invincibility frames. Zombies have chances of spawning anywhere that's on the edge. zombies: Red: very speedy. Black: big hitbox, medium speed. Green: very slow but big and fat. nova zombies: big, and medium fast Jetpack: extremely fast but can only move in a straight line.