The skies of the red planet are a hostile place for the Martian Space Fly. The Space Fly patrols his domain to protect it for a host of interplanetary foes. The friendly fly is confronted by the SPIDERS OF MARS and their allies the Bats of Saturn, the Dragonflies of Pluto and the dreaded Sand Hornets. The Space Fly is under direct attack from all sides, but it is a formidable opponent. But watch out. Any contact with the Evil Alliance will bring the Space Fly's demise. Quick thinking and lightning reactions are a must.