Aliens have discovered the earth.
They view humanity as a potential treat to its continued dominance in the universe.
Space bombardment the planet with asteroids is the alien's strategy to eliminate humanity.
Your the earths only hope of survival.
You must destroy the incoming missiles with the Supa-Tank-X Planetary Defender and its Destructo-Ray.
Destroying the missiles will give the earth enough time to develop the earth's offensive capability.
Your controls:
"W": move up, "S": move down, "A": move left and "D": move right
"R": Shoot, "1" fires the asteroid 1 at tank, "2" fires the asteroid 2 at tank
Every asteroid destroyed is worth 1,000 lives saved.
Your score is in upper left-hand corner of the viewer.
Select the Play Button Below to begin your defense of our planet.