Ultima, later known as Ultima I: The First Age of Darkness or simply Ultima I, is the first game in the Ultima series of role-playing video games created by Richard Garriott, originally released for the Apple II. It was first published in the United States by California Pacific Computer Company, which registered a copyright for the game on September 2, 1980 and officially released it in June 1981. Since its release, the game has been completely re-coded and ported to many different platforms. The 1986 re-code of Ultima is the most commonly known and available version of the game.

Ultima is a series of open world fantasy role-playing video games from Origin Systems, created by Richard Garriott. Electronic Arts has owned the brand since 1992. The series had sold over 2 million copies by 1997.