Level skip:
Press Start, C, B, A, Right, Left, Right, Left on controller two at the title screen. The phrase "Level Skip" will appear in the corner to confirm correct code entry. Then, pause your game and press C to jump to the next level.

99 lives:
Press Up, Left, C, B, A on controller two at the title screen.

99 continues:
Press Left, Right, Start, C, A on controller two at the title screen. The phrase "99 Continues" will appear in the corner to confirm correct code entry.

Snowboarding sequence:
Press A, B, C, Down, Up on controller two at the title screen. The word "Snowboarding" will appear in the corner to confirm correct code entry.

Snowboarding time trial:
Press C, B, A, Up, Down, Left, Right, Start on controller two at the title screen. Then, use the "Special" selection on the option screen.