Analysis of information sources in references of the Wikipedia article "Galaxian 2" in English language version.
Name: Galaxian II, Made by Entex
Excellent 2-player space shooter, with very special case design.
Entex Galaxian 2, based on Bally/Midway's Galaxian arcade game.
Japanese version of Galaxian 2 (same model # as well).
Foreign version of Galaxian 2 (same model # as well), the box also has the Hales brand name on it, but it's clearly labelled Entex both on the box and the game as well.
To score as many points as possible by destroying the fleet of attacking aliens with missiles fired from the Galaxy ship
