Reach the Watchtower without throwing more than 3 balls.
Launch a blueprint box 30 metres high.
Launch a blueprint box 15 metres high.
Release all balloons.
Finish the King's Dream chapter.
Finish the Nighttime chapter.
Reveal every storybook page in the game.
Finish the Unfinished Empire chapter.
Look at the sleeping King.
Finish the Garden chapter.
