Dungeon is a development prototype of the game ZORK(tm), which is available commercially from Infocom, Inc, on most personal computers. Copyright on the Dungeon sources is retained by Infocom, and commercial use is strictly prohibited. ZORK(tm) is a trademark of Infocom, Inc. This version is translated from the original dungeon-3.2b Fortran sources to C by Andrew Plotkin , and modified to use his Glk API. (The dungeon debugger code was translated from Fortran to C by Paul Goyette and included in the upstream sources.) The Fortran sources were themselves were translated from the original MDL. Version 3.2B is the latest known version.