Use this walkthrough to help you pass the stage for Chapter 3-2 easily.

1. Grab the CD from the shelf. Dismantle the CD.

2. Place the CD into the computer on the desk.
3. Check the computer screen for an excel sheet with the clue. Password = C4 + A3 + B1 – E3.

4, 5, 6, 7. Obtain the code from various items on the shelf.
C4 is a photo frame with code: 1124
A3 is a trophy plate with code 1983
B1 is a set of medical encyclopedia with code 2485
E3 is another trophy with code 2012

8. Calculate the passcode to be 1221+1983+2485-2012=3677. Use 3677 with the combination lock by the shelf. Obtain the key.

9. Use the key to obtain the door to escape from the room.

Speed Pass Note
Simply put the code 3677 at the safe in number 9 to obtain the key. Use the key to escape from the room.