Ultima IV Quest of the Avatar - 1985 VG was released on:
USA: 1985 (Apple II version)
USA: 1985 (Commodore 64 version)
USA: 1985 (DOS version)
UK: 1986 (Commodore 64 version)
Japan: 1987 (MSX version)
USA: 1987 (Atari ST version)
USA: 1988 (Amiga version)
USA: 1990 (Sega Master System version)
USA: December 1990 (NES version)
Ultima Forever Quest for the Avatar - 2013 VG was released on: USA: 7 August 2013 (iOS)
Ultima - 1980 VG was released on: USA: 1980
La Ultima Playa - 2009 was released on: USA: March 2009
Ultima IX Ascension - 1999 VG was released on: USA: 23 November 1999
Ultima II Revenge of the Enchantress - 1982 VG was released on: USA: 1982
Ultima Online - 1997 VG was released on: USA: 30 September 1997 (PC version)
Ultima VI The False Prophet - 1990 VG was released on: USA: 1990
Ultima Underworld The Stygian Abyss - 1992 VG was released on: USA: 1992
Ultima VIII Pagan - 1994 VG was released on: USA: 25 March 1994
Avatar - 1979 - VG was released on: USA: 1979
Avatar 3 - 2017 was released on: USA: December 2017
Ultima Online Kingdom Reborn - 2007 VG was released on: USA: 28 August 2007