Aidan from Awesome Games writes: 'There was a time, believe it or not, when Sonic the Hedgehog was a household name. With as much edge as hedge, Sega’s blue speed demon was “killer-app incarnate”, single-handedly selling the Genesis with lightning voracity and putting Mario’s job in jeopardy. Then, something changed. Something no one saw coming. Sonic slowed down, and the games stopped being fun.'