Dig Dug is a series of maze video games created by Namco and part of the UGSF universe. The released games are:
Dig Dug (April 19, 1982), Arcade. Later released for Atari 2600, Atari 5200, Atari 7800, ColecoVision, Intellivision, Apple II, Atari 400/800, Commodore VIC-20, Commodore 64, IBM PC, Texas Instruments TI-99/4A, Famicom/NES, MSX, Game Boy Color, mobile phone and Wii Virtual Console.
Dig Dug II (1985), Arcade. Later released for Famicom/NES and Wii Virtual Console.
Dig Dug Arrangement (March 1996), Arcade. A remake of Dig Dug released within Namco Classic Collection Vol. 2
Dig Dug Deeper (October 31 , 2001), PC.
Dig Dug Arrangement (February 24, 2005), PSP. A different version than the one from 1996, it was rereleased as a stand-alone game for iOS in 2009, titled Dig Dug Remix and also including the original Dig Dug.
Dig Dug: Digging Strike (September 8, 2005), Nintendo DS.
Dig Dug Island: Minami no Jima no Pukapukapon (2007), PC. Only released in Japan.
Dig Dug S (December 2010), Online. Found on Facebook.com. Removed from the site on March 19, 2013.
Only the first two games feature original gameplay, the later ones either feature the same gameplay from the first game, or a combination of the two games' gameplay.
Links to other series
Note: if a series unrelated to Dig Dug is revealed to take place in the same continuity in the official UGSF timeline, it's still not included here, since no direct link between them ever happened. See UGSF Timeline to know what games take place in its continuity.