Get ready to shoot in this fast-paced game! First, you have to choose between three different arenas to play in. You can choose the science lab, barrenlands, or the zenith tundra. You control the spinning gun at the bottom of the screen. Before long, soldiers march onto the screen to destroy you. Watch your health in the bottom left corner. If the bar gets empty, you die! To shoot, move your mouse around to aim. Click to fire. You can hold down the mouse to keep shooting, but don't let your weapon overheat! Add as many kills to your total as you can.