Joint Strike Fighter Playable is a combat flight simulator developed by Innerloop Studios and published by Eidos Interactive on December 1997. According to the developers, this demo is useful to be able to get a feeling of the flight controls, enjoy the scenery, and wipe out a few ground targets. This demo includes the Lockheed Martin X-35 Joint Strike Fighter with all flight related features and some of the planes, vehicles, boats and ground installations included in the full game.