Labyrinth is an Extended Basic game where you wander through a 3D maze, trying to find your way out, while having to kill ghosts (you have to shoot them between the eyes). Sort of a BASIC version of Phantom Slayer, and not badly done. You have a map, and a detector/compass for the ghosts.
Title: Labyrinth
Author: Gerald Werner
Publisher: Aardvark-80
Released: February 1982 (Coding finished Nov. 19, 1981)
Requires: Color Computer 1,2,3, 16K RAM, Extended Basic, tape or disk.