User blog comment:David Bear/Sonic's home world is in fact Mobius, not Earth/@comment-477304-20130419215734/@comment-3359241-20130419220343

"While the evil genius Dr. Robotnik is testing the ultimate destructive weapon, one of his assistants makes a mistake causing his lab to explode and sactter the five Chaos Emeralds across the planet Mobius. Sonic and Tails spin dash to rescue them. Tricky Knuckles streaks right behind, with sticky fingered Nask the Weasel joining the hunt. Its a triple-threat race to see who will get the Emeralds first!'