Sound test:


Save a game at any point past level 57. Highlight that saved

game, then press B to return to the title screen. Press

Down + Start + B at the title screen. Alternatively,

press Select + Start + B at the title screen.

More sounds will become available after the game progresses.



Extra Power Punch:


Buy two rounds of Power Punch at once, then use one full round.

The remaining round will contain many strong punches.