The mountains of the Hill Top Zone reach high above the clouds, but Doctor Ivo Robotnik wants to reach even higher - not out of academic devotion to advancement, naturally, but because he wants to be rid of the infernal blue hedgehog. He has designed a rocket ship in which he intends to trap Sonic The Hedgehog and blast him off to the farthest reaches of the cosmos, so leaving Mobius wholly in the good Doctor's tender mercies.