In D&R Season 2 Chapter 2 Stage 3, you are stuck inside a lab where you will have to conduct scientific experiments to escape. This walkthrough will help you to complete all of the puzzles and solve the quizzes. Please let us know if you are having trouble beating the stage and we will try to help!

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

DoorsandRooms2_ch2_stage3_walkthrough

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Main Escape

1. Blackboard: Read the instructions on how to assemble a Electromagnet on the blackboard. You need three components: Wire, Nail, and Battery.
2. Cabinet: Open the wall cabinet to get a battery.
DoorsandRooms2_ch2_stage3_cabinet
3. Burner: Pick up a nail on top of the burner.
4. Drawer: Open the drawer to grab the wire.
DoorsandRooms2_ch2_stage3_wire
5. Plate: Before you get into the Plate, assemble the Electromagnet. First combine the nail and wire. Then combine the nail/wire combo with battery. Locate a metal plate cover with metal powders. Use the electromagnet on the plate. A password is then revealed: 5627.
DoorsandRooms2_ch2_stage3_needle_wire_combine DoorsandRooms2_ch2_stage3_battery_combine

DoorsandRooms2_ch2_stage3_eletromagnet

DoorsandRooms2_ch2_stage3_metal_powder DoorsandRooms2_ch2_stage3_box_password

6. Table: Find a locked box on the lecture table. Enter the password 5627 to unlock it. Take the PH indicator inside. Notice the PH Scale on the cover of the box.
DoorsandRooms2_ch2_stage3_box DoorsandRooms2_ch2_stage3_ph_indicator

7. Test Tubes: Apply PH indicator to each test tubes. The liquid will change color. Compare the color to the PH Scale from step 6. Translate the test results into numbers.
Test Tube A = Red = 1
Test Tube B = Green = 7
Test Tube C = Blue = 9
Test Tube D = Yellow = 4
DoorsandRooms2_ch2_stage3_test_tube
8. Keypad: The letter DABC is engraved on the keypad. With the lab result from previous step, enter the password: 4179 to unlock the door and escape!
DoorsandRooms2_ch2_stage3_keypad

Bonus

B1. After you have taken the PH indicator. Pick up a blank piece of paper. Open inventory and apply the PH indicator on the paper. A rainbow colored star will appear. You have found the bonus star!
DoorsandRooms2_ch2_stage3_paper DoorsandRooms2_ch2_stage3_bonus_star

Quiz

Q1. Go back to the test tube. Read the fluid level on each test tube.
Test Tube A = 4
Test Tube B = 17
Test Tube C = 9
Test Tube D = 13
Combine the numbers. Get password: 417913.
DoorsandRooms2_ch2_stage3_quiz_passwordDoorsandRooms2_ch2_stage3_quiz
Q2. Turn on the computer at the corner of the room. Enter the password 417913 to complete the stage quiz.


Comments

Chapter 2 Stage 3 | Doors & Rooms 2 — 3 Comments

  1. I got it by complete accident. The very first thing I did was look at the test tubes and make a note of the amount of liquid in each one (4, 17, 9, 13) and cheekily tried to enter it on the door lock, then I realised it only allowed four numbers so I just pressed enter with 4179 and was shocked that it worked

    • The quiz part is somewhat misleading. I thought the password should be a 4-digit code since there were only 4 question marks on the monitor, not 6. Adding the amount of each test tube (which is the most reasonable mathematically) will only result in a 2-digit number.

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