"If you're not careful and enter an invalid level in the wrong area, you'll end up in the Bonus Rooms, where it's nothing but dizzying blue and white-lined patterns, the madness of multiple pipes, and endless background noise of the bonus music at maximum hum-buzz, and approximately six hundered million square miles of randomly segmented empty rooms to be trapped in. Miyamoto save you if you hear something, because it sure as the minus world itself has heard you."
