| Achievement | How to unlock
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| After Burner ( 15 points ) | Take out three opponents with one triple-weapon.
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| Altered Beast ( 10 points ) | Win a race while using an All-Star Move.
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| Amber De Amigo ( 10 points ) | Earn your Amber Sega License.
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| Captain Silver ( 30 points ) | Earn your Silver Sega License.
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| Classic Collection ( 15 points ) | Win a race as each racer.
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| Clock Work ( 30 points ) | Set a Personal Best Time on every Time Trial course.
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| Crazy Box ( 15 points ) | Pass every mission.
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| Death Adder ( 30 points ) | Take out opponents with items one hundred times over Xbox LIVE.
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| Dreamarena ( 10 points ) | Play a friend over Xbox LIVE.
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| Enduro Racer ( 15 points ) | Play one hundred events including any race, mission or time trial in any mode.
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| Fighters Megamix ( 30 points ) | Take out an opponent with each character's All-Star Move.
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| Gaining Ground ( 10 points ) | Get a Turbo-Boost Start in any event.
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| Ghost Master ( 30 points ) | Defeat a Staff Ghost on every Time Trial course.
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| Golden Acts ( 80 points ) | Earn your Gold Sega License.
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| High Roller ( 15 points ) | Purchase every item from the shopping menu.
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| Last Survivor ( 15 points ) | Finish the first lap in last position and go on to win the race.
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| Lucky Dime ( 10 points ) | Purchase any item from the shopping menu.
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| Magical Sound Shower ( 30 points ) | Race to every piece of music.
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| Mega Driver ( 10 points ) | Score AAA on any mission.
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| Now There Are No Limits! ( 10 points ) | Win your first Grand Prix Cup.
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| Outrunner ( 30 points ) | Lap a trailing player in a race over Xbox LIVE.
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| Power Drift ( 15 points ) | Perform a fifteen second Drift.
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| Project Rub ( 15 points ) | Complete any Race event without collisions.
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| Racing Hero ( 15 points ) | Win any race over Xbox LIVE.
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| Red Out ( 15 points ) | Earn your Red Sega License.
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| Road Rampage ( 15 points ) | Take out three opponents with one All-Star Move.
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| Rolling Start ( 15 points ) | Complete Sonic's Test Drive.
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| SEGA World ( 30 points ) | Complete a race on each course in Grand Prix, Single Race or Time Trial mode.
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| Shadow Dancing ( 10 points ) | Defeat a Staff Ghost on any Time Trial course.
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| Streets of Rage ( 15 points ) | Ram an opponent off the course without using a Weapon or Power-Up.
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| Super Hang-On ( 15 points ) | Win the race holding first place on each lap.
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| Time Stalker ( 10 points ) | Set a Personal Best Time on any Time Trial course.
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| To be this good takes AGES! ( 30 points ) | Win every Grand Prix Cup.
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| Top of the Class ( 30 points ) | Score AAA on every mission.
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| Triple Trouble ( 15 points ) | Perform three Tricks in one jump and make the landing.
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| True Blue ( 10 points ) | Earn your Blue Sega License.
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| Turbo ( 15 points ) | Perform twenty Turbo-Boosts within a single lap of any event.
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| Ultimate Collection ( 100 points ) | Earn every achievement in the game.
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| Up 'N' Down ( 10 points ) | Take out a racer by manually directing an item.
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| Virtual Bronze ( 20 points ) | Earn your Bronze Sega License.
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| Welcome to the Next Level! ( 15 points ) | Win every race within a Grand Prix Cup.
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| Wheels of Fire ( 15 points ) | Perform a Turbo-Boost Start across 3 consecutive events.
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| Wonder Boy ( 15 points ) | Win a race by crossing the finish line in reverse.
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