Hello Kitty: Roller Rescue (GC)

"So Long! Round Earth!" Cinematic
Lose against the final countdown boss. Then pay $200.

"The Taste of Victory" Cinematic
You must beat the final countdown boss. Then pay $200.

Anthony White
Get Mimmy.

Badtz-Maru
Complete the game with good ending.

Block Kitty
Complete stage 14.

Cheerleader Costume A
Beat all the cheerleader blocks in Messy Park.

Cheerleader Costume B
Once you unlock Cheerleader Costume A, play Messy Park again. You must defeat all the cheerleaders.

Koroppi
You must unlock Mimmy first.

Sailor Costumes
Complete the game with S rank.