Game Center Achievements...
	Various Tips and Tricks...

Achievement	How to unlock
Collect all orb coils in one lap	Collect all orb coils in one lap.
Destroy you spaceship after the race is finished	Destroy you spaceship after the race is finished.
Destroy your spaceship	Destroy your spaceship.
Don't hit any barrel during the race	Don't hit any barrel during the race.
Fly a track without hitting the walls	Fly a track without hitting the walls.

To get the corners the right way get them well before they start, and balance thrust and turn.
Sometimes the orbs will lure you into the wrong line. Only go for them if you need them.
As in most racing games it's good to use the first lap to memorize the track and then go for best time.