Galaxian was released by Midway Manufacturing, under license by Namco, in the USA on December 25, 1979.

A Galaxian unit appears in the 1983 movie 'Joysticks' and the sitcom 'Two and a Half Men'; Season 5, Episode 2 (People Who Love Peepholes). It is also heard (but not seen) in the 1987 James Bond movie 'The Living Daylights'.

NOTE: Only ports released in North America are listed here. For ports released in other regions, please see the original Namco Upright model entry.

CONSOLES:
Bally Astrocade (1977) "Galactic Invasion [Model 2011]" by Activision
Atari XEGS
Atari 5200 (1982) "Galaxian [Model CX5206]"
Emerson Arcadia 2001 (1982) "Galactica" clone, as "Space Attack [Model 1013]"
Atari 2600 (1983) "Galaxian [Model CX2684]"
Colecovision (1983) "Galaxian [Model 70006]"
Sony PlayStation (jan.31, 1997) "Namco Museum Vol.3 [Model SLUS-00398]"
Nintendo 64 (oct.31, 1999) "Namco Museum 64 [Model NUS-NNME-USA]"
Sega Dreamcast (june.25, 2000) "Namco Museum [Model T-1403N]"
Sony PS2 (dec.4, 2001) "Namco Museum [Model SLUS-20273]"
Microsoft XBOX (oct.9, 2002) "Namco Museum"
Nintendo GameCube (oct.9, 2002) "Namco Museum [Model DOL-GNME-USA]"
Sony PS2 (aug.30, 2005) "Namco Museum - 50th Anniversary [Model SLUS-21164]"
Microsoft XBOX (aug.30, 2005) "Namco Museum - 50th Anniversary [Model NMO-2201A-NM]"
Nintendo GameCube (aug.30, 2005) "Namco Museum - 50th Anniversary [Model DOL-G5NE-USA]"
Nintendo Wii (oct.23, 2007) "Namco Museum Remix [Model RVL-RN2E-USA]"
Microsoft XBOX 360 (nov.4, 2008) "Namco Museum - Virtual Arcade [Model 21022]"
Nintendo Wii (nov.16, 2010) "Namco Museum Megamix"

HANDHELDS:
Nintendo Game Boy (sept.1995) "Arcade Classic No. 3 - Galaga & Galaxian [Model DMG-AGCE-USA]"
Nintendo GBA (june.10, 2001) "Namco Museum [Model AGB-ANME-USA]"
Sony PSP (aug.23, 2005) "Namco Museum Battle Collection [Model ULUS-10035]"
Nintendo DS (sept.18, 2007) "Namco Museum DS [Model NTR-YNME-USA]"

COMPUTERS:
Commodore Vic 20 (1981) "Star Battle" by Hal Laboratory
Atari 800 (1982) "Galaxian [Model CXL4024]"
Tandy Color Computer (1982) "Galax Attax"
Tandy Color Computer (1982) "Space Ambush"
Commodore C64 (1983) "Galaxions" by Solar Software
Commodore C64 (1983) "Galaxian [Model RX8542]"
Commodore VIC-20 (1983) by Atarisoft
PC [Booter] (1983) by Thunder Mountain
PC [Booter] (1983) by Atarisoft
Apple II (1983) by Atarisoft
PC [MS-DOS] (1997) "ChampGalaxia" by CHAMProgramming
PC [MS Windows 95, 3.5"] (mar.31, 1996) "Microsoft Return of Arcade"
PC [MS Windows, CD-ROM] (2000) "Microsoft Return of Arcade Anniversary Edition"
PC [MS Windows, CD-ROM] (oct.25, 2005) "Namco Museum - 50th Anniversary"

OTHERS:
VFD tabletop game (1981) by Coleco.
Namco Classics TV Game (2003) by Jakk's Pacific
Mobile Phones (june.13, 2003) "Galaxian Mini"
Arcade Gold featuring Pac-Man (2007) by Jakks Pacific
Retro Arcade featuring Pac-Man (2008) by Jakks Pacific
Apple iPhone/iPod (may.16, 2009) "Galaxians [Model 316869163]" by Istvan David
Arcade (2010) "Pac-Man's Arcade Party"
Apple iPhone/iPod (june.9, 2011) "Galaga 30th Collection [Model 413616338]"
Apple iPhone/iPod (mar.23, 2012) "Galaxian [Model 511322882]" by Iconosys, Inc.
Pac-Man Connect and Play (2012) by Bandai
Arcade (2018) "Pac-Man's Pixel Bash"