- The black stone has been stolen, Our leader ordered you to lead a group of 
   warrior ships to retrieve the stone. Unfortunately. In the middle of the mission, 
   an organized group of enemy robots attacked your group with their strong 
   radiation storm. There was nothing left, except you. The main weapon has 
   been damaged. The only one left was the secret weapon that can be active 
   for several time. But don't be afraid, we have prepared you with a powerful 
   shield, a shield that can catch enemy bullets, and reflecting back to them.
 - Instructions and controls are in-game.