Board Thread:Sonic News and Updates/@comment-2054358-20131003010118/@comment-2054358-20140412170011

Sakurai already denied a story mode. The closest we're getting to Subspace is Smash Run which is a dungeon crawler with a lot of enemies, and you collect symbols that resemble the ones from Kirby Air Ride. There are no cutscenes. And if four players online make it through Smash Run, they Brawl.