X-Zone ZAP By: ZAP

Storyline:

Unknown circumstances have caused The Nation's automatic defense main-frame computer to malfunction. Infiltrate the "X-termination Zone" around the highly fortified "research center" and download systems shutdown sequence into central Bio-computer.

Regain control of the defense system before computer controlled missile launch and satellite attacks can begin total global X-tinction.

--From the SNES X-Zone instruction manual.