Complete the game with 100% status and all treasure and map pieces. (Skulls denote Boss levels.) Select a Boss level then hold Down + A at the level name screen.
Flagman DD mini-game
Complete the game with 100% status and all treasure and map pieces. A bonus game can be played after the final level.
Hidden chapter
Begin a new game and without waking Mario, let the pirates knock him out of the castle. The game will begin at the hidden chapter.
In-game reset
Press Select + Start + A + B during game.
Traction on Conveyor Belts
To prevent yourself from moving on a conveyor belt, carry an enemy. As long as you're doing this, you will move normally.
