Earn your RED SEGA License.
Take out opponents with items one hundred times over Xbox LIVE.
Perform a Turbo-Boost Start across 3 consecutive events.
Earn your AMBER SEGA License.
Perform three Tricks in one jump and make the landing.
Complete Sonic's Test Drive.
Perform a fifteen second Drift.
Ram an opponent off the course without using a Weapon or Power-Up.
Earn your BLUE SEGA License.
Win any race over Xbox LIVE.
Play a friend over Xbox LIVE.
Defeat a Staff Ghost on any Time Trial course.
Set a Personal Best Time on any Time Trial course.
Use Amy's All-Star Move to send Sonic dizzy with love!
Use Ryo's All-Star Move to take out Jacky and Akira and show them who's the ultimate martial artist!
Use Billy's All-Star Move to squash the Crows!
Perform three tricks in one jump with Beat on Tokyo-to - Shibuya Downtown.
Use Zobio and Zobiko to send one hundred Curien Mansion Creatures back to the grave.
Summon the giant KapuKapu and gobble up Big the Cat for mouse revenge!
Earn every achievement in the game.
Earn your BRONZE SEGA License.
Earn your SILVER SEGA License.
Earn your GOLD SEGA License.
Win your first Grand Prix Cup.
Win every race within a Grand Prix Cup.
Win every Grand Prix Cup.
Take out an opponent with each character's All-Star Move.
Set a Personal Best Time on every Time Trial course.
Defeat a Staff Ghost on every Time Trial course.
Score AAA on any mission.
Pass every mission.
Race to every piece of music.
Score AAA on every mission.
Lap a trailing player in a race over Xbox LIVE.
Purchase any item from the shopping menu.
Purchase every item from the shopping menu.
Win a race as each racer.
Complete a race on each course in Grand Prix, Single Race or Time Trial mode.
Perform twenty Turbo-Boosts within a single lap of any event.
Get a Turbo-Boost Start in any event.
Take out three opponents with one All-Star Move.
Take out three opponents with one triple-weapon.
Take out a racer by manually directing an item.
Win a race by crossing the finish line in reverse.
Win a race while using an All-Star Move.
Finish the first lap in last position and go on to win the race.
Win the race holding first place on each lap.
Complete any Race event without collisions.
Play one hundred events including any race, mission or time trial in any mode.
Use Sonic's All-Star Move to take out Dr. Eggman and show him who's boss!
