10 Continues
For 10 continues, go to the Options screen and press B, A, Y,
A, X, A.
20 Continues
For 20 continues, go to the Options screen and press Y, X, B,
X, A, X, L, R, B, A, Y, A, X, A.
Level Select
To start on any level, go to the Options screen and press A, Y,
A, Y, X, Y, B, A, R, L.