The key to solving this room is to notice the numbers laying around. Clear and activate various parts of this room to get the clues and unlock the door through the final keypad.

We have divided the walkthrough guide into 3 sections to help you backtrack if you have already passed the stage. If you are aiming for 100% three star completion the first time around, simply follow the steps in order.
Main Escape | Bonus Star | Quiz Solution

Main Escape

1. Detergent: Get a bottle of detergent from the floor.
2. Rag: Get a piece of rag on top of the heater.
3. Wall: Combine the detergent and rag. Use the soapy rag to clean the wall to reveal a hidden code 7 with the yellow writing.
 
4. Cabinet: Open both cabinet doors. Notice a number 8 showing with the cabinet frames. Grab the remote control inside the cabinet.
 
5. TV: Turn on the TV with the remote control and get 0 from the TV screen. Tilt your device and look at the room with a 90 degree angle to the left. Get password: 8570.
 
6. Door: Locate the door key pad and enter password: 8570. You are now ready to escape through the unlocked door!

Bonus Star

B1. The bonus star disguises as a machine dial next to the cabinet.

Quiz Password

Q1. Use the door key pad as your cipher to solve the quiz. Combine the clue with the keypad to get the following and enter password: 1236987. You have solved the quiz!