Unlock PLUS worlds & expert levels
After beating the 1st 6 worlds, and the end Donkey Kong boss, you'll unlock 6 new PLUS worlds.

You will also unlock the option to choose EXPERT at the main menu. There are some expert levels, and each require a different number of Stars (that you achieve by getting high scores in the normal/PLUS game) to play.


Level 49?
After you beat all of the levels, you will go to the FORTY-NINTH level! There you will fight DK with giant barrels.

Completion Bonuses
Successfully complete the game to unlock Expert Mode and Plus Mode. Unlock the door to get Mini Mario. Also, when you collect all the presents and complete a level, you can play an extra game. There are two games in all, and are selected randomly.

Fruit
Run into fruit on vines. The fruit will fall and will kill the enemies in its path.

Mario's Food Dreams
When you get a game over on a World, allow the game to idle for a few minutes. After awhile, Mario will fall asleep and mutter his favorite foods, such as ravioli, pasta, and others.

Stuck In Level In Level 4-3 Glitch
When you go to the second half, go to the right of the screen. Get on the spring and jump to the right. You will jump out of the screen and cannot get out unless you restart the level.

Avoid Losing Lives
When you are about to die, turn off the Game Boy Advance