------------------------------------------------------------------------------------------------------------------------------------------------------------ Super Mario Land Codes continue game play hold the a button at the game over screen and keep it held and press start to get it to work. easy mode press select for easy mode. run faster when running press the b button to run faster. jump higher to jump higher jump from a crouch to get higher. 3 lives press the a button as mario enters the bonus room. he will be lined up with a ladder that leads to 3 lives.