Galax Attax is a clone of the arcade hit Galaxians. When it was originally released in early 1982, it contained a set of shapes for the aliens that were quite different than the original arcade's... later, it was re-released with shapes must closer to the originals.
The game differed from the original arcade mainly in the speed at which it was played...it was much faster than the original.
Title: Galax Attax
Author: Tom D. Keeton
Publisher: Spectral Associates
Released: August 1982
Requires: Color Computer 1,2,3, 16K RAM tape or disk, joystick.