YouTube user ProtonX3 has released a series of videos demonstrating a reportedly canceled Sonic the Hedgehog hoverboarding game for the original Xbox, entitled Sonic Extreme (not to be confused with ). Not to cast any aspersions on the potential merits of the game, but the same engine was also used to create a skateboarding game (also canceled, apparently). But hey, it probably would've been better than Sonic Free Riders, right?