Paper Mario: The Thousand-Year Door Unlockables

Unlockable Stage
These are some stages you can unlock by raising your level.(*=already have at beginning of game)
UnlockableHow to unlock
*C-star stagealready have (can't release anything)
B-star stagego on level 10 (releases icey wind and smoke)
A-star stagego on level 20 (releases icey wind, blasting powder, smoke, and confusion bugs)
superstar stagego on level 30 (releases icey wind, blasting powder, fire, smoke, and confusion bugs)
*othersforks, audience attack, iron, electrical iron, and multi audience attack