Earth 2350 C.E.. Major economic centers in the northern hemisphere have been destroyed or submerged by a cataclysmic event along the Ring of Fire centuries before. The equator now divides the planet into the haves and have-nots. While the south has formed a peaceful, stable, government, tyrannical despots to the north rule their water-soaked populations with brutality and oppression. Rumors abound in the south about northern tyrants mobilizing massive armies for an all out invasion.
SEGA's legendary mascot Sonic The Hedgehog makes his historic multi-platform debut and embarks on his biggest adventure ever, with his trademark blazing speed and a new gameplay twist in "Sonic Heroes..