Saving the world is a piece of cake when you’re a speedy blue hedgehog. And Sonic is about to go on his 900th world-saving adventure! Sonic and his friends are playing a game of hot potato! Only the potato is the Warp Topaz and it could warp the whole world into oblivion. The gang is passing off the Warp Topaz in a relay race to get rid of it once and for all. Celebrate the mind-blowing 900th-issue milestone with superstars Ian Flynn, Evan Stanley, Caleb Goellner, Daniel Barnes, Aaron Hammerstrom, and returning Sonic writer Nigel Kitching as they participate in a relay race of their own, telling this story in six speed-racing, nail-biting, egg-kicking parts!