Earn your RED SEGA License.

Take out an opponent with each character's All-Star Move.

Defeat a Staff Ghost on any Time Trial course.

Win every Grand Prix Cup.

Win your first Grand Prix Cup.

Set a Personal Best Time on any Time Trial course.

Get a Turbo-Boost Start in any event.

Score AAA on every mission.

Take out three opponents with one All-Star Move.

Earn your BLUE SEGA License.

Set a Personal Best Time on every Time Trial course.

???

Win a race by crossing the finish line in reverse.

Lap a trailing player in a race over Game Center.

Earn your GOLD SEGA License.

Play a friend over Game Center.

???

Play one hundred events including any race, mission or time trial in any mode.

Complete a race on each course in Grand Prix, Single Race or Time Trial mode.

Score AAA on any mission.

Purchase every item from the shopping menu.

Take out three opponents with one triple-weapon.

Earn your BRONZE SEGA License.

Purchase any item from the shopping menu.

Finish the first lap in last position and go on to win the race.

Take out opponents with items one hundred times over Game Center.

Win any race over Game Center.

Perform a Turbo-Boost Start across 3 consecutive events.

???

???

Win a race as each racer.

Earn every achievement in the game.

Earn your SILVER SEGA License.

???

Win the race holding first place on each lap.

Pass every mission.

Defeat a Staff Ghost on every Time Trial course.

Win every race within a Grand Prix Cup.

Complete Sonic's Test Drive.

Perform three Tricks in one jump and make the landing.

Complete any Race event without collisions.

Win a race while using an All-Star Move.

Earn your AMBER SEGA License.

???

???

Perform a fifteen second Drift.

Perform twenty Turbo-Boosts within a single lap of any event.

Race to every piece of music.

Ram an opponent off the course without using a Weapon or Power-Up.

Take out a racer by manually directing an item.