Extra Modes:
Beat the Hero storyline to unlock Babylon storyline, Mission mode, and buying skates at the shop.
Bonus Characters:
Beat the Hero storyline to unlock Shadow The Hedgehog, Rouge The Bat, and Cream The Rabbit.
Beat the Babylon storyline to unlock Eggman.
Beat Storm's, Wave's, and Jet's missions to unlock AiAi, Ulala, and NiGHTS.
Play as Super Sonic:
First, you must get all the gold emblems in mission mode. After that, a chaos emerald will be selectable as one of Sonic's extreme gears. Select it, and Super Sonic will appear.
Bonus Gear:
Beat the Hero storyline to unlock Shadow's Darkness jet shoes, Rouge's Temptation board, and Cream's Smile board.
Beat the Babylon storyline to unlock Sonic's Blue Star II board, Eggman's Egg-Rider scooter, and the Magic Carpet.
Beat Storm's, Wave's, and Jet's missions to unlock the Hang-On gear, Opa Opa gear, Super Hang-On gear, and The Crazy gear.
Bonus tracks:
Win the Heroes Cup with a Gold Emblem to unlock the Sega Carnival track, and win the Babylon Cup with a Gold Emblem to unlock the Sega Illusion track.
