I have the same problem trying to find a graphics adventure-style video game for 8-bit Apple called "Necromancer" that was not the game of the same title for 8-bit Atari and C64. Rather than a perspective view, graphics gave a bird's eye view. Ridiculously, I remember being impressed with the graphic representation of the necromancer's keep, which was just a little hollow square on the screen. Played it a lot in 1980, or possibly as late as 1982. I've only been looking for it for about 15 years. Seems to have disappeared because not even the expert 8-bit Apple folks can find it. It doesn't help that Google search has gotten a lot worse in the last 15 years. I've looked so hard at various times, just thinking about it now give me a headache.