Star Wars: Knights of the Old Republic

From Xbox Wiki

Star Wars: Knights of the Old Republic is a popular RPG also known as Kotor. In this game your playing as Revan, arguably the most powerful Sith Lord in the Star Wars galaxy, and all of his comrades that he meets along his quest to locate all of the star maps, and ultimately the star forge. The games was developed by Bioware and takes place about 4,000 years before the movie A New Hope.