Question: Arcadians is a fixed shooter for the BBC Micro and Acorn Electron, and is very similar to which arcade game that was developed by Namco and released in October 1979?
Sentence (from "Galaxian"): Galaxian (ギャラクシアン , Gyarakushian ) is an arcade game that was developed by Namco and released in October 1979.
Relevant evidence: Yes