Look at the bookshelf next to the door and tap the books in order: 5, 6, 4, 7 - take the screwdriver.
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Use the screwdriver on all four screws of the vent underneath the bookshelf with the ladder, then take the key and use it on the door.
Proceed to the next You Must Escape level! Hit like if the You Must Escape level 13 walkthrough helped you! Thanks :) |