Star Wars: Republic Commando is a tactical first-person shooter video game, set in the Star Wars universe. It was developed by LucasArts using the Unreal Engine, and published for the Xbox and Microsoft Windows in 2005. The game features both single-player and multiplayer game modes. In the story, set in the Star Wars Legends expanded universe, players assume the role of RC-1338 ("Boss"), an elite clone trooper, known as "clone commando", and the leader of the special ops unit Delta Squad, consisting of three fellow clone commandos with distinctive personalities and character traits: RC-1262 ("Scorch"), RC-1140 ("Fixer"), and RC-1207 ("Sev"). The story follows Delta Squad as they complete increasingly difficult missions throughout the Clone Wars and learn to bond as a team.