Clear out the baddies by identifying and sending a missile to their location on the coordinate grid. Miss and they'll fire back taking down your shield some. Choose to play timed or untimed and on Quadrant I or on all 4 quadrants.
Use the on-screen number pad to plug in the X Y coordinate of the enemy and click the FIRE button to send a missile their way.
Fun D
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Paw P
Princ
Plumb
Princ
Impul
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Deser
Hallo
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Jigsa
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Wrest
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Ball
Happy
Racin
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Bro D
Car E
Fall
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Tower