The Locked Forever 8

Walkthrough:
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-Take the key from the tree.
-Take a key form the purple slipper.
-Go to the right.
-Click on the left seam of the sofa and take the key.
-Click on the fireplace's right side and take the knife.
-Use the knife on the square at the right of the fireplace. 
-Take the key that hides in it.
-Take the key under the tablecloth.
-Go to the right.
-Click on the coat rack, and use the knife on the second stick, 
 and you'll find the screwdriver in a hidden hole.
-Use the screwdriver to open the cabinet's drawer, you'll find 
 a ball, hit it with the knife and you'll find a key.
-Use the screwdriver on the left door of the cabinet, there's a 
 key on the right side of the dolls you'll find inside.
-Go to the right.
-Use the screwdriver to take the screws off the desk. 
-The screws are at both sides of the desk.
-Click under the desk 
 (where the lower part of the desk touches the floor).
-Get into the new room.
-Click on the shelf, press the blue botton.
-Count the position in wich the yellow books are placed and enter
 the code in the blue box, take the key.
-The code is: 481114
-Use the screwdriver on the tile on the lower part of the center
 and take the grey key.
-Go out of the room.
-Use the grey key on the safe and take the key in it.
-Click on the paper bean and take the last key.
-Go to the door, click on it, and you're out.