Released in 1993 for DOS by Epic Megagames by Ken Silverman, who later went on to create the Build engine (Duke Nukem 3D).
Related categories 2
The official Ken's Labyrinth page
By the original developer, who has released the game as freeware. Ports of the game, screen shots, cheat codes, maps, and background.
Port of the game for Windows and Linux using OpenGL.
Review, ratings, credits, screen shots, and trivia.
Video Game Tips
Encyclopedia article describing the game.