Earn every achievement in the game.
Unlocked: 11 Dec 2010 18:15:24
Golden Acts
80Earn your GOLD SEGA License.
Unlocked: 11 Dec 2010 18:15:23
Death Adder
30Take out opponents with items one hundred times over Xbox LIVE.
Unlocked: 10 Dec 2010 23:42:24
Racing Hero
15Win any race over Xbox LIVE.
Unlocked: 10 Dec 2010 21:21:04
Outrunner
30Lap a trailing player in a race over Xbox LIVE.
Unlocked: 10 Dec 2010 05:18:19
Dreamarena
10Play a friend over Xbox LIVE.
Unlocked: 10 Dec 2010 05:11:49
Use Zobio and Zobiko to send one hundred Curien Mansion Creatures back to the grave.
Unlocked: 10 Dec 2010 04:49:19
Race to every piece of music.
Unlocked: 10 Dec 2010 04:10:58
Earn your SILVER SEGA License.
Unlocked: 09 Dec 2010 23:19:30
High Roller
15Purchase every item from the shopping menu.
Unlocked: 09 Dec 2010 21:30:33
Win a race as each racer.
Unlocked: 09 Dec 2010 21:14:50
Take out an opponent with each character's All-Star Move.
Unlocked: 09 Dec 2010 21:14:02
Score AAA on every mission.
Unlocked: 09 Dec 2010 19:36:45
Crazy Box
15Pass every mission.
Unlocked: 09 Dec 2010 07:21:31
Wonder Boy
15Win a race by crossing the finish line in reverse.
Unlocked: 08 Dec 2010 07:21:18
Summon the giant KapuKapu and gobble up Big the Cat for mouse revenge!
Unlocked: 08 Dec 2010 07:14:01
Use Ryo's All-Star Move to take out Jacky and Akira and show them who's the ultimate martial artist!
Unlocked: 08 Dec 2010 06:58:16
Use Amy's All-Star Move to send Sonic dizzy with love!
Unlocked: 08 Dec 2010 06:54:31
Use Sonic's All-Star Move to take out Dr. Eggman and show him who's boss!
Unlocked: 08 Dec 2010 06:32:26
Project Rub
15Complete any Race event without collisions.
Unlocked: 08 Dec 2010 06:25:55
Turbo
15Perform twenty Turbo-Boosts within a single lap of any event.
Unlocked: 08 Dec 2010 05:45:10
Earn your BRONZE SEGA License.
Unlocked: 08 Dec 2010 04:52:01
Perform three tricks in one jump with Beat on Tokyo-to - Shibuya Downtown.
Unlocked: 08 Dec 2010 00:47:28
Enduro Racer
15Play one hundred events including any race, mission or time trial in any mode.
Unlocked: 07 Dec 2010 20:58:44
After Burner
15Take out three opponents with one triple-weapon.
Unlocked: 07 Dec 2010 20:41:24
Perform a Turbo-Boost Start across 3 consecutive events.
Unlocked: 07 Dec 2010 20:32:37
Ram an opponent off the course without using a Weapon or Power-Up.
Unlocked: 07 Dec 2010 20:09:19
Use Billy's All-Star Move to squash the Crows!
Unlocked: 07 Dec 2010 19:34:21
Red Out
15Earn your RED SEGA License.
Unlocked: 07 Dec 2010 19:22:40
Perform three Tricks in one jump and make the landing.
Unlocked: 07 Dec 2010 19:20:35
Ghost Master
30Defeat a Staff Ghost on every Time Trial course.
Unlocked: 07 Dec 2010 19:07:54
Clock Work
30Set a Personal Best Time on every Time Trial course.
Unlocked: 07 Dec 2010 19:07:53
Get a Turbo-Boost Start in any event.
Unlocked: 07 Dec 2010 19:00:27
Mega Driver
10Score AAA on any mission.
Unlocked: 07 Dec 2010 18:40:07
Power Drift
15Perform a fifteen second Drift.
Unlocked: 07 Dec 2010 18:12:09
Earn your AMBER SEGA License.
Unlocked: 07 Dec 2010 17:29:26
Defeat a Staff Ghost on any Time Trial course.
Unlocked: 06 Dec 2010 20:42:59
Time Stalker
10Set a Personal Best Time on any Time Trial course.
Unlocked: 06 Dec 2010 20:42:58
Lucky Dime
10Purchase any item from the shopping menu.
Unlocked: 06 Dec 2010 20:30:55
SEGA World
30Complete a race on each course in Grand Prix, Single Race or Time Trial mode.
Unlocked: 06 Dec 2010 20:10:56
Win every Grand Prix Cup.
Unlocked: 06 Dec 2010 20:09:15
True Blue
10Earn your BLUE SEGA License.
Unlocked: 06 Dec 2010 19:41:43
Finish the first lap in last position and go on to win the race.
Unlocked: 05 Dec 2010 20:09:55
Win a race while using an All-Star Move.
Unlocked: 05 Dec 2010 20:09:43
Road Rampage
15Take out three opponents with one All-Star Move.
Unlocked: 05 Dec 2010 19:34:37
Up 'N' Down
10Take out a racer by manually directing an item.
Unlocked: 05 Dec 2010 19:30:52
Win every race within a Grand Prix Cup.
Unlocked: 05 Dec 2010 19:24:50
Win your first Grand Prix Cup.
Unlocked: 05 Dec 2010 19:24:49
Win the race holding first place on each lap.
Unlocked: 05 Dec 2010 19:13:31
Complete Sonic's Test Drive.
Unlocked: 05 Dec 2010 19:06:05