Play as Luigi
Hold [L] + [R] and press [A] to select a saved game file to play as Luigi in single player mode.
Secret Challenge mode
Successfully complete the game. Start the cleared game file, then press [Start] to pause game play at the world map. Press [L], [R], [L], [R], [X]x2, [Y]x2. The message "Welcome to the Secret Challenge mode" will appear to confirm correct code entry. Similar to the original Super Mario Bros. for the NES, Secret Challenge mode will not let you backtrack in certain levels. To indicate whether a level has a Secret Challenge version, the new right arrow icon will be lit in the top right corner of the map screen.
Saved game icons
A star will be added next to your saved game file when one of the following tasks are completed. Completing more than one will display an additional star. The tasks are to defeat the final Boss, complete all world maps by finishing all levels and locating all secret exits, and spending all Star Coins.
Defeat the Boss in the last castle of World 2 as Mini Mario.
Defeat the Boss in the last castle of World 6 as Mega Mario.
Mushroom house bonuses
Complete a stage with a time having the last two digits of the same number to have a different color Mushroom house at the start of the World.
Have a time ending in 11, 22, or 33 for a red Mushroom house appears that awards items.
Control credits screen
Have a time ending in 44, 55, or 66 on the timer for a green Mushroom house with a mini-game for an extra life.
Have a time ending in 77, 88, or 99 for an orange Mushroom house with a Mega Mushroom.
At the credits screen, use the touch screen to move the letters and hear sound effects from the game.