Complex sentence: The Kobayashi Alternative was a Star Trek themed computer software game, designed for the Apple II Plus, Apple IIe, and Apple IIc; the game was also available for the Commodore 64.
Split into simpler sentences: The Kobayashi Alternative was a Star Trek themed computer software game, designed for the Apple II Plus, Apple IIe, and Apple IIc. The game was also available for the Commodore 64.