ZShooter / Shoot 'em upReleasedZaxxon ↗1981 arcade video gameCommodore 64 / arcade video game machine / Commodore Amiga / ColecoVision / Intellivision / DOS / Atari 2600 / ZX Spectrum / Apple II / MSX / Atari 5200 / SG-1000 / TRS-80 Color Computer