Challenge levels:
To unlock a challenge level, find all three of the treasure chests in a level. The challenge level can be accessed at the Hideout.
Challenge level bonus:
You will unlock a bonus by completing a challenge level. The bonus can be accessed at the Hideout.
Parachuting through enemies:
If you are about to hit an enemy while parachuting, bring up the “Jelly Bean” menu. Close the menu and you will avoid hitting the enemy.