Earn every achievement in the game.
Unlocked: 11 Aug 2010 00:44:28
Golden Acts
80Earn your GOLD SEGA License.
Unlocked: 11 Aug 2010 00:44:23
Use Zobio and Zobiko to send one hundred Curien Mansion Creatures back to the grave.
Unlocked: 10 Aug 2010 21:23:07
Summon the giant KapuKapu and gobble up Big the Cat for mouse revenge!
Unlocked: 10 Aug 2010 20:57:50
Take out an opponent with each character's All-Star Move.
Unlocked: 10 Aug 2010 20:51:14
Race to every piece of music.
Unlocked: 10 Aug 2010 18:25:51
Earn your SILVER SEGA License.
Unlocked: 10 Aug 2010 16:59:28
High Roller
15Purchase every item from the shopping menu.
Unlocked: 10 Aug 2010 16:17:03
Win a race as each racer.
Unlocked: 10 Aug 2010 16:02:12
Use Amy's All-Star Move to send Sonic dizzy with love!
Unlocked: 10 Aug 2010 15:19:08
Use Ryo's All-Star Move to take out Jacky and Akira and show them who's the ultimate martial artist!
Unlocked: 10 Aug 2010 14:41:27
Ghost Master
30Defeat a Staff Ghost on every Time Trial course.
Unlocked: 10 Aug 2010 04:18:49
Clock Work
30Set a Personal Best Time on every Time Trial course.
Unlocked: 10 Aug 2010 04:18:48
Score AAA on every mission.
Unlocked: 10 Aug 2010 03:34:43
After Burner
15Take out three opponents with one triple-weapon.
Unlocked: 10 Aug 2010 03:17:17
Crazy Box
15Pass every mission.
Unlocked: 10 Aug 2010 03:00:57
Turbo
15Perform twenty Turbo-Boosts within a single lap of any event.
Unlocked: 10 Aug 2010 02:08:57
Earn your BRONZE SEGA License.
Unlocked: 10 Aug 2010 01:13:07
Perform three tricks in one jump with Beat on Tokyo-to - Shibuya Downtown.
Unlocked: 10 Aug 2010 00:30:56
Perform three Tricks in one jump and make the landing.
Unlocked: 10 Aug 2010 00:30:54
Project Rub
15Complete any Race event without collisions.
Unlocked: 09 Aug 2010 22:59:50
Use Sonic's All-Star Move to take out Dr. Eggman and show him who's boss!
Unlocked: 09 Aug 2010 22:53:36
Finish the first lap in last position and go on to win the race.
Unlocked: 09 Aug 2010 21:27:30
Win a race while using an All-Star Move.
Unlocked: 09 Aug 2010 21:27:23
Enduro Racer
15Play one hundred events including any race, mission or time trial in any mode.
Unlocked: 09 Aug 2010 20:27:12
Death Adder
30Take out opponents with items one hundred times over Xbox LIVE.
Unlocked: 09 Aug 2010 19:48:42
Racing Hero
15Win any race over Xbox LIVE.
Unlocked: 09 Aug 2010 19:04:03
Wonder Boy
15Win a race by crossing the finish line in reverse.
Unlocked: 09 Aug 2010 19:03:27
Outrunner
30Lap a trailing player in a race over Xbox LIVE.
Unlocked: 09 Aug 2010 19:01:29
Dreamarena
10Play a friend over Xbox LIVE.
Unlocked: 09 Aug 2010 19:00:48
Red Out
15Earn your RED SEGA License.
Unlocked: 09 Aug 2010 18:43:50
Use Billy's All-Star Move to squash the Crows!
Unlocked: 09 Aug 2010 17:20:23
Earn your AMBER SEGA License.
Unlocked: 09 Aug 2010 16:38:25
Ram an opponent off the course without using a Weapon or Power-Up.
Unlocked: 09 Aug 2010 16:25:50
Up 'N' Down
10Take out a racer by manually directing an item.
Unlocked: 09 Aug 2010 16:14:56
Mega Driver
10Score AAA on any mission.
Unlocked: 09 Aug 2010 16:07:11
Lucky Dime
10Purchase any item from the shopping menu.
Unlocked: 09 Aug 2010 16:02:42
Defeat a Staff Ghost on any Time Trial course.
Unlocked: 09 Aug 2010 15:43:38
Time Stalker
10Set a Personal Best Time on any Time Trial course.
Unlocked: 09 Aug 2010 15:43:37
SEGA World
30Complete a race on each course in Grand Prix, Single Race or Time Trial mode.
Unlocked: 09 Aug 2010 15:40:40
Win every Grand Prix Cup.
Unlocked: 09 Aug 2010 15:40:05
True Blue
10Earn your BLUE SEGA License.
Unlocked: 09 Aug 2010 15:19:18
Power Drift
15Perform a fifteen second Drift.
Unlocked: 09 Aug 2010 15:04:44
Road Rampage
15Take out three opponents with one All-Star Move.
Unlocked: 09 Aug 2010 15:03:00
Perform a Turbo-Boost Start across 3 consecutive events.
Unlocked: 09 Aug 2010 13:46:51
Win the race holding first place on each lap.
Unlocked: 09 Aug 2010 13:42:53
Win every race within a Grand Prix Cup.
Unlocked: 09 Aug 2010 13:38:41
Win your first Grand Prix Cup.
Unlocked: 09 Aug 2010 13:38:39
Get a Turbo-Boost Start in any event.
Unlocked: 09 Aug 2010 13:29:57
Complete Sonic's Test Drive.
Unlocked: 09 Aug 2010 13:24:51