Consoles :
Sega SG-1000 (1983, "Sega Galaga" – Sega)

Atari 7800 (1984)

Nintendo Famicom (1988)

Nintendo Famicom Disk (1990)

Nintendo Game Boy (1995, "Galaga & Galaxian")

Sony PlayStation (1995, "Namco Museum Vol.1")

Sony PlayStation (1995, "Tekken") : you can play the game while the main game loads. Only the challenging stages are included.

Nintendo Game Boy (1996, "Namco Gallery Vol.1")

Nintendo 64 (1999, "Namco Museum 64")

Sega Dreamcast (1999, "Namco Museum")

Sony PlayStation 2 (2001, "Namco Museum")

Nintendo Game Boy Advance (2001, "Namco Museum")

Nintendo GameCube (2002, "Namco Museum")

Microsoft XBOX (2002, "Namco Museum")

Sony PlayStation 2 (2005, "Namco Museum 50th Anniversary")

Microsoft XBOX (2005, "Namco Museum 50th Anniversary")

Nintendo GameCube (2005,"Namco Museum 50th Anniversary")

Nintendo Game Boy Advance (2005, "Namco Museum 50th Anniversary")

Sony PSP (2005, "Namco Museum Battle Collection") : a brand new "Arrangement" version unique to this port is also featured.

Microsoft XBOX 360 (2006, as a downloadable Live Arcade game)

Nintendo DS (2007, "Namco Museum DS")

Nintendo Wii (2007, "Virtual Console" - NES version)

Sony PlayStation 3 (2009, "Namco Museum Essentials")
Computers :
Commodore C64 (1982)
BBC B (1983, "Zalaga" – Aardvark)
Acorn Electron (1984, "Zalaga" – Aardvark)
Tandy Color Computer (1984, "Galagon")

MSX (1984)
Fujitsu FM-7 (1985)
Fujitsu FM-77 (1985)
Sharp MZ2500
PC [MS-DOS] (1997, "Champ Galagon" - CHAMProgramming)
PC [MS Windows, CD-ROM] (2005, "Namco Museum 50th Anniversary")
Others :
Arcade (1995, "Namco Classics Collection Vol.1")
Mobile Phones (2004)
Ms. Pac-Man TV Game (2004 - Jakks Pacific)
Ms. Pac-Man TV Game Wireless Version (2005 - Jakks Pacific)
Retro Arcade featuring Pac-Man (2008 - Jakks Pacific)