Galaxian 3.6 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus. The program is categorized as Games. The actual developer of the free program is Falco Software Company.
From the developer:
In a galaxy far, far away, there was one brave pilot who decided to go through the galactic reef. He was told that he would not succeed. What will happen to him? Find out in this game! In this game you have to control a spaceship, destroying or dodging asteroids that rush at you at high speed.
You may want to check out more software, such as Atomaders, Political Invaders or Alien Gunner, which might be similar to Galaxian.