Pick up the face mask, lunchbox and flashlight and enter the bedroom closet.
Convince Otto to let you on board by showing him how wood floats.
"Defeat" Darkness
Walk through the tree-exclusive road disguised as a fellow tree.
Fix the cart's rusty wheels to ride in it.
Find the arcade machine hidden in the mines.
Play a round of Cheese and Crackers against the toaster.
Answer correctly in four categories of questions and unlock the trivia door.
Find the secret passageway behind the books in the library.
While riding on Otto, beat the current and travel up the way to the well.
Recover the face mask, lunchbox and flashlight from the Lands of Darkness and enter Darkness's room.