During gameplay pause the game and hold down the L trigger and then enter the following codes to unlock the corresponding effect.

Unlock 10X Multiplier:
C-down(4x), C-left, C-right, Right.

Unlock Jet Pack Mode:
Down, C-right, Down, C-left, Down, C-Up.

Unlock Big Head Mode:
Press Left, Left, Left, C-Right, Up, Right, Down.

Unlock Moon Physics:
Left, Down, Right, Up, C-up, C-Left, C-Down, C-Right.

Unlock Matrix Mode:
Press C-Right, Right, C-Right, Down, Left, Up, C-Right.

Unlock Kid Mode:
Press Down, Right, Down, Right, C-Up, C-Left, C-Up, C-Right.

Unlock Double Moon Physics:
Press Right, C-Down, C-Left, Left, C-Right, C-Up, Up, Down, C-Up.

Unlock Sim Mode:
Press C-Down, Left, C-Left, Right, C-Right, Up, C-Up, Down, C-Down, Left, C-Left, Right, C-Right.

Unlock Disco Mode:
Press C-Up, C-Down, Up, Down, C-Up, C-Down, Up, Down, C-Right, C-Left, C-Right, C-Left, C-Right

Unlock Smooth Mode:
Press Left, Down, Right, C-Left, C-Down, C-Right, Up, C-Up.

Unlock Stud Mode:
Press Up, Down, Left, C-Right, Right, C-Left, C-Up, C-Down.

Unlock Wire Frame Mode:
Press C-Up, C-Up, C-Up, Left, Up, C-Down, C-Down, C-Down

Skip to Restart:
Press Left, C-Left, Left, C-Left, Left, C-Left, C-Left.


Career Mode Unlockables
When you complete Career mode a new character or feature will become unlocked. The following is a list of those features and the number of times Career mode needs to be completed to unlock them.

Unlock Officer Dick:
Complete Career mode 1 time

Unlock Skip to Restart:
Complete Career mode 2 times

Unlock Kid Mode:
Complete Career mode 3 times

Unlock Perfect Balance:
Complete Career mode 4 times

Unlock Special Always Available:
Complete Career mode 5 times

Unlock Stud Mode:
Complete Career mode 6 times

Unlock Weight Mode:
Complete Career mode 7 times

Unlock Wire Frame Mode:
Complete Career mode 8 times

Unlock Slo Nic Mode:
Complete Career mode 9 times

Unlock Big Head Mode:
Complete Career mode 10 times

Unlock Sim Mode:
Complete Career mode 11 times

Unlock Smooth Mode:
Complete Career mode 12 times

Unlock Super Revert Mode:
Complete Career mode 13 times

Unlock Moon Physics:
Complete Career mode 14 times


Completion Rewards
Complete the following tasks to unlock the corresponding effect.

Unlock Disco Mode:
Complete this game 100% with Officer Dick.

Unlock Downhill Course:
To unlock this secret level win 3 Gold Medals with any skater.

Unlock Wolverine:
Complete ALL the gaps in every level using any character.

Unlock Super Speed:
Successfully beat the game 100% with Wolverine.