A PC game by Lucasarts based on Star Wars. First released in 1993, X-Wing broke new ground in flight simulators with its advanced graphic techniques and use of polygons. X-Wing spawned a series of games including TIE Fighter, X-Wing VS TIE Fighter, and the upcoming Alliance. A collector's CD version was subsequently released offering and updated engine (the same one used in TIE Fighter), sounds, and new missions.