Invincibility
     At the Main Menu, press L, R, L, R, L, R, L, R.

Level Select
     At the Main Menu, press X, Y, Z, Z, X, Y, Z, Z.

Flame On
     At the Main Menu, press X, Y, B, X, Y, B.

Unlimited Hero Time
     At the Main Menu, press B, X, Y, Z, L, R.

Liquid Metal Textures
     At the Main Menu, press B, Y, X, B, Y, X.

Big Heads
     At the Main Menu, press R, R, L, R.

Small Heads
     At the Main Menu, press L, L, R, L.

Pin Heads
     At the Main Menu, press B, X, Y, B, X, Y.

Exploding Fists
     At the Main Menu, press R, R, Y, B, X, R, R.

Hot Fists
     At the Main Menu, press L, L, X, B, Y, L, L.

Exploding Bullets
     At the Main Menu, press L, R, Z, Y, B.