Snap Thing's FingersDuring the opening sequence, press L + R.
Start with Power-UpWatch the Demo, then when Gomez takes an item, press Start. You'll begin the game with that item.
Secret Power-Up RoomWhen the game begins, enter the hall of stairs and move to the left. After passing the last door on the left, press Up. You'll enter a secret door that leads to Pugsley's Den. Go through the second secret door to reach a hidden power-up room behind the stairs.
Basement PassageIn the Music Room, wait for the music to stop. Now the passage in the basement is open.