Click to aim and shoot. Don't let the asteroids get to the bottom! The red bar is your fuel level, if you run out of fuel, you can't shoot. =========================================== Special Asteroids =========================================== Boss Asteroid: The really big asteroids. If one gets to the bottom, you're dead. It will spawn 10 small asteroids upon death. Gray Asteroid: Very speedy, regenerates your fuel level. Purple Asteroid: Regenerates health.