Your mission in this cool shooting game is to save the world from a wave of asteroids that are heading straight towards the Earth. Earn cash by destroying asteroids. Automated turrets can be purchased. There turrets require visibility in order to function well. You can increase visibility between levels. You can also upgrade and buy weapon platforms between levels. Every weapon platform has the capacity to hold up to 2 types of ammo. Use YOUR MOUSE to aim and click to shoot. Use "Q", "W", "E" KEYS to select secondary ammo and use "A", "S", "D" KEYS to switch back to primary ammo for platforms 1,2 and 3. Good luck!