Asteroids v1.1

ASTEROID V1.1
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CONTROLS:
   LEFT / RIGHT : DIRECTION
   UP : MOVE
   SPACE : FIRE

SCORE:
   +5 POINTS:
      IF YOU DESTROY AN ASTEROID
   -10 POINTS: 
      IF AN ASTEROID COLLIDE WITH YOUR SHIP
   -1 POINT:
       WHEN YOU FIREING