"Companions of Xanth is an adventure game published in 1993 by Legend Entertainment. The game is based on Piers Anthony's Xanth novels and is loosely based around much of 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. It was available on both floppy disk and CD-ROM. The game uses 256 colour 2D graphics." Source: Wikipedia, "Companions_of_Xanth," available under the CC-BY-SA License.