Heavenly Shooter

Our earth is overloaded with evil spirits. You, as a guardian of the earth, are ordered to shoot on sight any evil spirit wandering around. Beware of shooting any good guy. We look forward to a better world.
1. Evil spirits(bad guys) and good spirits(good guys) will wander around the sky every 5 seconds.

2. Shoot all those bad guys as many as possible and avoid shooting at the good guys. The killing of a good guy carries a penalty which will deduct some poin

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