In Word Zapper your goal is to zap three words in 99 seconds. First, the current word will appear at the bottom of the screen. You then have to recreate this word by controlling your spaceship and zapping letters in the correct order which will be scrolling by at the top of the screen. To make this task more challenging, various asteroids will fly by horizontally; some asteroids will cause you to lose time, others destroy your ship ending the game. To help protect yourself, your spaceship is also equipped with lasers which can be used to destroy the asteroids. If you shoot five asteroids in a row, you earn a "freebie" which can be used in place of any letter. You will also need to use the "freebie" to move on to the next word after all the necessary letters have been zapped. The game ends when you successfully zap three words, the time limit runs out, or your spaceship is destroyed by asteroids. Numerous game variations are available. These control the speed and density of the asteroids, the speed of the scrolling alphabet, and allow you to choose between zapping words or random letters.

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