Star Wars: Republic Commando is a tactical first-person shooter video game, set in the Star Wars universe, released in 2005. It was developed and published by LucasArts for the Xbox, Microsoft Windows, and Mobile phone platforms (the latter under the name Star Wars Republic Commando: Order 66). The game uses Epic Games' Unreal Engine. As of April 19, 2007, this game is forward compatible for the Xbox 360 with a downloadable patch.