1982 Fox Video Games 11008

You have been shoved in a submarine, miniaturized, and injected into a human body. Your mission is to reach a blood clot and destroy it before the patient runs out of strength and his heart monitor goes flat. Strength is lost as time ticks by and whenever you crash into things. Shoot enzymes with your laser to release their healing properties. Also shoot antibodies, defense cells, and bacteria, but avoid shooting the red blood cells. The final blood clot will take 15 shots before being destroyed.

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