ĭevelopment of The Sith Lords began at approximately the same time that the original Knights of the Old Republic was released for the Xbox, on July 15, 2003.
' The first story draft was pretty terrible, mostly because we weren't allowed to play K1 before drafting it, so we really knew nothing about the first game and were writing in the dark (Revan who?).' ― Chris Avellone, Lead Designer for The Sith Lords at Obsidian Entertainment, talking about story development.