Companions of Xanth is an adventure game published in 1993 by Legend Entertainment. The game is based on Piers Anthony's Xanth novels and loosely follows the plot of his novel Demons Don't Dream, in which a young man uses a computer game to enter and explore the world of Xanth. Typical of Piers Anthony's novels, the game is filled with puns and visual gags. (wikipedia.org)