Is Space Invaders on Steam?

No. Space Invaders is not distributed on Steam, so there is no Steam Charts or SteamDB player count for it. Its live popularity is tracked here via Twitch viewership instead.

What platforms is Space Invaders on?

Space Invaders is available on Arcade, iOS, Handheld Electronic LCD, Legacy Mobile Device.

When did Space Invaders release?

Space Invaders released on June 1, 1978.

Space Invaders

Jun 1, 1978ShooterArcadeArcadeiOSHandheld Electronic LCDLegacy Mobile Device

Space Invaders — frequently asked questions

Is Space Invaders on Steam?: No. Space Invaders is not distributed on Steam, so there is no Steam Charts or SteamDB player count for it. Its live popularity is tracked here via Twitch viewership instead.
What platforms is Space Invaders on?: Space Invaders is available on Arcade, iOS, Handheld Electronic LCD, Legacy Mobile Device.
When did Space Invaders release?: Space Invaders released on June 1, 1978.

About Space Invaders

Space Invaders is an arcade video game developed by Tomohiro Nishikado and released in 1978. It is one of the earliest shooting games and the aim is to defeat waves of aliens with a laser cannon to earn as many points as possible.

Summary via IGDB.

Space Invaders on Wikipedia

Space Invaders is a 1978 shoot 'em up game developed and published by Taito for arcades. Taito released it in Japan in July 1978 and overseas through a partnership with Midway Manufacturing later that year. Space Invaders was the first video game with endless gameplay and the first fixed shooter, setting the template for the genre. The goal is to defeat waves of descending aliens with a horizontally moving laser cannon to earn as many points as possible.

Source: Wikipedia (text under CC BY-SA 4.0).