Here are some cheats and tips for the game Polaris SnoCross.
Stunts:
Back Flip: Press R + Z + Down(3) (requires big air).
Cliffhanger: Press L or Z + Left, Right.
Front Flip: Press R + Z + Up(3) (requires big air).
Hand Plant: Press R + L or Z + Down, Up(2) (requires big air).
Lazyboy: Press L or Z + Right, Left.
Nac Nac: Press L or Z + Right, Down.
No Foot: Press L or Z + Down.
No Hander: Press R + Up.
Pointer: Press R + Left, Left.
Superman: Press R + Down(2).