I remember seeing a video of that game not too long ago, but I quickly lost interest after seeing how linear and uninspired a lot of the tracks were. The crazy 3-dimensional track designs of X and GX - cylinder, pipe, half-pipe, difficult jumps, road hazards, etc., all while being upside-down or sideways - was one of the things that really made me love the F-Zero series. I liked the idea of the blue/orange "phase-shift" boosting, though.
XI Wiki



