High Quality Content by WIKIPEDIA articles! Star Wars: Knights of the Old Republic II - The Sith Lords (KotOR II) is a role-playing video game released for the Xbox and Microsoft Windows. The Xbox version of this sequel to Star Wars: Knights of the Old Republic was released on December 6, 2004, while the Windows version was released on February 8, 2005. It was developed by Obsidian Entertainment and published by LucasArts. The music score was composed by Mark Griskey.