In this level, the door is locked by three padlocks: gold, silver, bronze. You need to find match keys to unlock the door.
1. Bucket: Pick up bucket on the floor.
2. Water: Locate a barrel of water. Fill the bucket with water.
3. Silver Key: There is a water drain on the floor. Raise the water level by insert the water in the bucket. A box will raise. Retrieve the silver key.
4. Mirror: Tap on the mirror. Get a sharp mirror piece.
5./6. Retractable Tables: Tap on the retractable tables on the wall to turn them over. Notice strange symbols in the back.
7. Golden Key: Check out the air vent. Break the bar with sharp mirror piece. You have found a box with puzzle on top. There are four sets of small and large rings. Notice each ring has a white segment. Rotate the rings to match the ring orientation to the strange symbols that you saw on the tables to solve the puzzle. A secret compartment will reveal. Grab the golden key.
8. Pillow: Look under pillow. Get a bronze key.
9. Door: Go over to the door. There are three padlocks: gold, silver, bronze. Insert keys made with same material. The door is unlocked. You have escaped!
The ring orientations do not match the symbols under the retractable tables. They are mirror opposites of the symbols.