Whenever you go on a ramp, flip your car forwards by pressing Up to increase your speed.

Finish in first place in all races.
Successfully complete the game.
Finish first in the Tiki Island episode
Finish first or second in the Zero Gravity Zone episode
Finish first or second in the Spider Alley episode
Finish first or second in the Tiki Island episode
Finish first or second in the Buccaneer Bay episode
Finish first in the Jurassic Jam episode
Finish first or second in the Lava Land episod
Finish first in the Zero Gravity Zone episode
Finish first in the Spider Alley episode
Finish first in the Lava Land episode
Finish first in all six of the Game Show mode episodes
Finish first or second in the Jurassic Jam episode
Finish first in the Buccaneer Bay episode