Get All Sleds:
Enter code at press START screen while holding down L1 & R1. Circle, Square, Circle, Square, Circle, Left

Get All Tracks:
Enter code at press START screen while holding down L1 & R1. Circle, Left, Circle, Right, Circle, Up

Get All Characters:
Enter code at press START screen while holding down L1 & R1. Circle, Triangle, Circle, Triangle, Circle, Down

Get Hover Sled:
Enter code at press START screen while holding down L1 & R1. Circle, Triangle, Square, Circle, Triangle, right

Get Black Diamond Track:
Finish championship mode using any character

Get Rival Challenge Mode:
Finish championship mode using any character

Do Not Lose Sleds:
Don't challenge a opponent on a track you can't win because you lose sleds!

Get Secret Characters:
Go to a large ramp and do a trick then do it again and again to build points needed to get a secret character