In its decade-plus history, UO has been shaped by many extraordinary people. We are deeply grateful to all of these amazing development teams. They created worlds.

Learn more about Origin Systems Inc, the creators of UO.

Ultima Online Releases

Ultima Online
Ultima Online: The Second Age
Ultima Online: Third Dawn
Ultima Online: Renaissance
Ultima Online: Lord Blackthorn's Revenge
Ultima Online: The Age of Shadows
Ultima Online: Samurai Empire
Ultima Online: Mondain's Legacy
Ultima Online: 9th Anniversary
Ultima Online: Kingdom Reborn