From back of book:
Join space adventures Lyra and Vac as they battle the Evil Ones deep in space!
Use your Galactic Computer for precise hyperspace jumps, for pinpoint laser blasts and for breaking the enemy's secret code.
Trek across the scorching sands of the desert planet, see the underwater marvels of the planet Aquan.
Team up with Quas Starbrite as you rocket across the Terran Stellar Republic fighting the deadly invaders.
Escape from the escape-proof orbital space prison.
Help Lyra and Orion crack the mystery of the Dark Horde.
Come face-to-face with the "Evil One" as you fight with deadly computer accuracy the last desperate battle to save the Galaxy.
This is a book game designed to teach basic space trivia and concepts, along with simple math and cryptography skills, to children.
The "Galactic Computer" is a spinning disk in the front cover of the book with key windows to reveal codes and calculations.