XZAP is a game for the Amiga computer, developed by ElectricBlackSheep, and is based on the game XZAP for the Commodore Plus/4 computer, written by Mark Wirt. You are a XZAPPER, the last survivor of an advanced civilization. Many centuries ago, your planet was besieged by aliens. Now only you remain. The aliens have the advantage of numbers, but you are on home territory.