Show All Items:
     During  the  game,  press  L, R, L, R, Y, Y, X, B, B, X, Z and Z.
This will give all items a glow.

Infinite Life:
     Press  L,  R,  L, R, Y, Y, Y, Y, X and X at the main menu to have
infinite life.

Unlock All Movies:
     Press  L,  R, L, R, Y, Y, A, A, Z, B, Z and B at the main menu to
unlock all movies.