User blog comment:Shan the Hedgehog/Sonic Storybook 3 and New Sonic & SEGA Game!/@comment-4007440-20110701122809/@comment-1695718-20110701152028

Knuckles isn't playable. All of the interviews of SEGA game creators is only "Classic Sonic and Modern Sonic" are playable. Though I can see the super Sonics, I'm not counting that out yet