Super Princess Peach Codes -

Endless Fever mode:
Successfully complete all levels two times, all mini-games once, and clear the Music History and Puzzles. The Endless Fever item can be purchased at the shop at no cost. This item allows your Emotion gauge to always remain full.

Dash Attack Kassa move:
Successfully complete the game. You can now attack while dashing by pressing Y or B.

Play opening mini-game:
Hold R and press Start at the title screen. The game where you push all the toads off the screen will start. Note: Perry should tell you this secret if you hit one of his information blocks in a secret area in the first level.

Alternate title screen:
Set the system time to day or night to change the title to the corresponding version.