A type-in BASIC source code game.
From the cover:
The adventure fantasy with the computer game finale.
Includes bonus computer program for your Commodore 64, Apple II, and Radio Shack Color Computers.
From the introduction:
Climbing out of the cybercycle, you hang on the edge and struggle to steady yourself against the wind. Vidi flies at the gigamonster's magnetic tongues. He fires a static beam from his eye.