Find every hidden rabbit.

Happy Birthday Greeting

Play the game on the date entered as your birthday on the system settings and the girl will greet you with a "Happy Birthday."

Hard Difficulty

Beat Story Mode on Normal Difficulty.

Hell Difficulty

Beat Story Mode on Hard Difficulty.

Make the Mode Selection Screen Girl Scream

This is kinda sick, but touch the girl in certain places and she will scream.

Make the Menu Screen Girl Topless

Beat the game on Hell difficulty or make the DS System Language Japanese.

Sound Test Option

Beat Story Mode on Normal Difficulty.