Unlock Badtz-Maru At "Last Breath of Reliance" collect all 3 of the keys. After obtaining the blue key, go 2 rooms back and unlock the doors on your right.
Unlockable: Cheerleader Costume A Beat all the cheerleader blocks in Messy Park.
Cheerleader Costume A Defeat all the cheerleader blocks in Messy Park (Level 5)
Cheerleader Costume B After unlocking Cheerleader Costume A, play Messy Park again (defeating all the cheerleaders)
Unlockable "So Long! Round Earth!" Cinematic Lose against the final countdown boss. Then pay $200. Unlockable: "The Taste of Victory" Cinematic You must beat the final countdown boss. Then pay $200.
Unlockable: Cheerleader Costume B Once you unlock Cheerleader Costume A, play Messy Park again. You must defeat all the cheerleaders.
