New Attitude! New Enemies! Swing from vines, launch new attacks, survive deadly traps and summon Tails to airlift Sonic out of danger. Discover hidden rooms and passageways in the mega-sized Zones. Transform into Super Sonic and experience the ultimate in speed and ultra-sonic power. Save your progress using the new save game feature.

Battle Dr. Robotnik's newest recruit, Knuckles. He's a native of the Floating Island where this spin-dashing escapade unfolds.