Autoduel is a 1985 computer role-playing game (CRPG) published by Origin Systems for the Atari 400 and Atari 800 (and other Atari 8-bits with OS "Transformer"), Commodore 64, Apple II series, Mac, and DOS. It was released in 1987 for the Atari ST and in 1988 for the Amiga. It was based on the Steve Jackson Games series Car Wars which also includes the GURPS Autoduel worldbook. [source:wikipedia]