Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Conditioned Reflex (10 points): Win a Classic race five times.
Over Jump (10 points): Beat all five default ghost cars in Time Attack.
Go, Go, SEGA Rally! (10 points): Win five Xbox LIVE races.
3, 2, 1 Go!! (10 points): Complete your first Quick Race.
Game Gears (10 points): Complete Championship with Manual Transmission.
Long medium left...maybe (10 points): Play fifty games in any mode except head to head.
Lakeside Memory (20 points): Finish 1st on Lakeside in Championship.
Finish!! (20 points): Place 1st on all tracks in Quick Race on Arcade difficulty.
Game Over, Yeah! (50 points): Unlock all cars and courses.
Super Challenge (10 points): Unlock all courses.
Reckless Running (20 points): Touch all five AI cars before winning a Quick Race.
Ignition (20 points): Win a race with every car in the game.