Continuing from Star Wars Episode II: Attack of the Clones, you must play as Anakin Skywalker, Mace Windu, or Obi-Wan Kenobi to lead the Republic Army against the Confederacy of Independent Systems. The story begins with the Battle of Geonosis, followed by the discovery of the Dark Reaper, a powerful Sith device. You must prevent the Republic from activating it and destroying the galaxy through 16 missions involving ground combat, vehicle driving, and lightsaber use. The game also offers multiplayer options for up to four players with various game modes.