Bonus levels:
Select the beginner difficulty setting and complete all ten levels in World 1 without using any continues to unlock 10 bonus beginner levels. Select the advanced difficulty setting and complete all thirty levels in Worlds 2 through 4 without using any continues to unlock 10 bonus advanced levels. Select the expert difficulty setting and complete all fifty levels in Worlds 5 through 10 without using any continues to unlock 10 bonus expert levels.

Master difficulty setting:
Select the expert difficulty setting and complete all fifty levels in Worlds 5 through 10 and the ten bonus expert levels without using any continues.

Master bonus levels:
Complete all ten master mode levels without using any continues.

Party games:
It takes 2,500 play points to unlock a party game. The best way to rack up quick points is to play challenge mode. Play the Beginner level a few times without continuing to earn extra stages that will help your score skyrocket.

Gift option:
Once you have unlocked all party games, the gift option will be unlocked at the options screen, where by using play points, you can buy more lives in challenge mode, in-game movies, and the staff credits.

Hint: Play any party game:
Gain 2,500 PP (play points) then save the game. Put a memory card in slot B. Transfer the saved file to slot B. Open slot B and you can play all mini-games.

When you get the necessary amount of points to unlock a party game, select the one you want and unlock it. If you want to unlock something else, reset the game and select a different one.

Hint: Aiai's head:
Reach "Reversible Gear" and get to the goal. Turn around and look to the right of the opening. You will see Aiai's head.