[2] Portalarium marks Richard Garriott's first return to the video game industry since the release of his 2007 title Tabula Rasa.

"[3] The company initially released Port Casino and later Ultimate Collector: Garage Sale in a partnership with Zynga but shut them down when the Facebook game market crashed.

[4] Their next title, Shroud of the Avatar: Forsaken Virtues, is an MMORPG and spiritual successor to the Ultima series.

[7] Starr Long, who originally served as project director for Ultima Online at Origin, and represented the character of Lord Blackthorn in game, joined the Portalarium team to work as executive producer for Shroud of the Avatar.

[8][9] In October 2019, the assets and rights to Shroud of the Avatar were sold to Catnip Games, a company owned by Portalarium CEO Chris Spears.