HSX: HyperSonic Xtreme is a futuristic hover sled racing game. Races take place on elevated tracks littered with speed boosts, shield power ups, and big jumps. There are several game modes, including a cup mode and slalom races, either of which can be played in two player split screen. One of HSX's major features is it's built-in track editor. The full-featured track editor lets you create your own tracks, complete with flashy special effects.