Full energy Pause game play and press Up(2), Down(2), Left, Right, Left, Right, B, A, Start. Note: This may only be enabled once per game.
Practice bonus games Press A + B + Select at the configuration screen. Select the question mark that appears on the screen with the five regular stages.
Invisible turtle Turn on the Game Boy, then hold Select + A + B. Continue to hold those buttons and press Start until the level selection screen appears. Choose level 2, then release all buttons when game play begins. Get to the point where your character only has one unit of energy remaining and go to the bonus stage on the left side of the fourth smasher. Press A + B + Select + Start while flashing to reset the game. Continue to hold A + B + Select, choose a level, and select Leonardo as a character. Continue to hold A + B + Select + Right until game play starts. |