Galaxian
The Game: In one of the most seminal variations on the Space Invaders format, Galaxian was among the first clones to introduce attacking formations that would break off from the usual rows and columns of invaders. Though Galaxian‘s use of this innovation was minimal, it was a drastic change from the usual slowly-advancing target gallery. (Bally/Midway [under license from Namco], 1979)
Memories: Galaxian may not be as well remembered as the much more strategically challenging Galaga, but it ultimately added a vital new twist to the Space Invaders-inspired genre, a format which was badly in danger of becoming stale. Galaxian was also the first arcade video game to use a color display instead of a monochrome monitor with translucent colored overlays. [read more]