Developed by Taito in 1987, Extermination World is a vertically scrolling shoot-’em-up that puts you in control of a lone soldier fighting off hordes of alien mutants. Rather than traditional lives, the game uses a continuous health drain mechanic, forcing you to play aggressively and constantly defeat enemies to pick up life-restoring items.
The objective is to survive each stage and defeat the boss at the end of the round. Use the arrow keys to move your soldier, and press Z to fire your primary weapon. Remember to use Shift to insert virtual coins and Enter to start the game.
Since your health constantly depletes, do not stay in one place or try to hide; push forward and eliminate targets as fast as possible to keep your energy up. Be sure to shoot the scenery too, as rocks and trees often conceal bunkers containing power-ups that will upgrade your firepower.
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