You enter a workshop with cauldrons and secret basement. You need unlock the front door and continue your escape of the tower.
1. Rock: Grab a piece of rock from the wall cabinet.
2. Yellow Stone: Locate a yellow stone. Use the rock to break yellow stone into pieces. Grab the piece on the left.
3. Glass Beaker: Pick up a glass beaker of blue liquid.
4. Firewood: Get a piece of burning firewood from the cauldron.
5. Lab: Put yellow stone inside the round bottom flask. Place the blue liquid under the tube on the right. Then, put the burning firewood under the flask. The liquid will turn yellow. Take the glass beaker of yellow liquid.
6. Stick: Grab the wooden stick next to the shelf.
7. Shovel Metal: Pick up a shovel metal piece under the table.
8. Drawing: Check out the drawing on the wall next to the door.
9. Cauldron: Pour yellow liquid into the cauldron. The bottom of the cauldron will melt revealing a hole with stair to a basement.
10. Floor: Enter the basement. Notice the floor is cracked. Combine stick and shovel metal. Use the shovel on the cracked floor. Get a wooden box.
11. Tree: Check out the tree on the wall. Each branch can be adjusted. Match the pattern to the drawing that you see earlier. The left side matches the inner circle. The right side matches the outer circle. A secret compartment will reveal. Grab the key.
12. Shelf: Go back to the ground level. Use the key to unlock the padlock on the shelf. Four pipe stud-outs are shown inside the shelf. Place the wooden box in the middle. Open the wooden box. Get the door key.
13. Door: Use the door key to unlock the front door padlock. You have escaped.