# Play as Badtz-Maru

Successfully complete the game with the good ending and unlock Badtz-Maru's profile. Start a new game to have the option to play as Badtz-Maru.
# Bonus sailor costumes

Successfully complete a level with an "S" rank to unlock a bonus sailor costume.
# Cheerleader costume A

Successfully complete all the cheerleader blocks in the Messy Park level to unlock the Cheerleader costume A.
# Cheerleader costume B

Unlock Cheerleader costume A, then defeat all the cheerleaders again in the Messy Park level to unlock Cheerleader costume B.
# So Long! Round Earth! cinematic

Intentionally lose against the final countdown Boss to unlock the So Long! Round Earth! cinematic for purchase.
# The Taste of Victory cinematic

Defeat the final countdown Boss to unlock The Taste Of Victory cinematic for purchase.
# Alternate title and loading screens

Set the system date to any day in November to get Hello Kitty birthday themed title and loading screens.