Game design by Richard Garriott (Lord British); game writing/dialogue/story by Stephen Beeman, David Shapiro (Dr. Cat), Amanda Dee, Richard Garriott, Greg Malone, John Miles, Herman Miller, Todd Mitchell Porter and Warren Spector. Amiga conversion by John Jones-Steele (Abersoft). Graphics by Keith Berdak, Daniel Bourbonnais, Jeff & Amanda Dee, Glen Johnson and Denis Loubet. Music by Matt Furniss.
 Distributed in Europe by Mindscape International.
 Floppies: 3 (install disks) --> 4 (ready-to-run disks) or HD installation.
 Original game contents include Compendium playbook, Orb of the Moon gemstone, paper/cardboard game map, and Amiga Reference Guide.
TRIVIA: The sixth installment is the first game in the ULTIMA series that was not (originally) developed on the Apple II, whose 8-bit limitations unsurprisingly rendered development unfeasible.