During game play, pause the game, then press L,Y,B,B,A,X,Y,Y,B,R. Counter will still say 9 though.
99 Lives
During game play, pause the game, then press L,B,A,X,Y,X,A,X,Y,R. From now you can perform infinite air jump by pressing X button .
Infinite Jump
During game play, pause the game, then press L,Y,B,Y,A,X,Y,Y,Y,R.
Invincibility
During game play, pause the game, then press L,X,A,Y,Y,B,R to warp to the end of the current stage.
Level Skip