Popular Arcade Game, Rival of Space Invaders

This page is the CodyCross answer for the clue below from Extraordinary Creatures, Group 1588, Puzzle 3 (Griffins and Sphinxes).

Question is: Popular Arcade Game, Rival of Space Invaders

and the answer is: GALAXIAN

Word Meaning:

GALAXIAN — (astronomy) Of or pertaining to a galaxy

Definitions from Wiktionary.

Popular arcade game, rival of Space Invaders — CodyCross Answer | CodyCross Solutions