Defeat the Smasher boss.
Defeat Neptune.
Defeat Jupiter.
Defeat Saturn.
Beat Pluto at her time trial.
Defeat the Solsnapper boss.
Defeat Caligo.
Change Pilfer's clothing.
Finish any level under 2 minutes.
Complete "More Jumps, More Fun" without using any wingshroud.
Complete all Challenge levels.
Knock an Armored Slasher into lava.
Finish any level without taking damage.