[The Prison Boys] Chapter 4 Walkthrough (Short)

Shortened version of the Chapter 4 walkthrough. Basically, some steps and hints that leads to but aren’t necessary to clear the stages are removed. This is for those who don’t enjoy the investigative portions, want to clear the chapter ASAP and don’t mind skipping steps. I personally don’t recommend using the shorter walkthrough if you want to enjoy the game fully.


Chapter 4 (Full)  |  Detective Games ToC  |  Chapter 5

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CHAPTER 4: INVESTIGATION

(Stage 2) The rebel
~The 7th basement, In the prison~

To earn his trust…
Suicide Note

x

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(Stage 5) Search – The news of the execution (1)
~The 3rd basement, Room 330~

Talk
Nagi Saeki
– About Saizo
– About the herb

Choice
This picture of the herb…
It’s familiar to me, too.
Is that so?

x

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(Stage 8) Search – The news of the execution (4)
~Sensou-ji temple~

Talk
Chiyo Mochizuki
– About Naoya
– About the rumors of Mr. Ohkawa
– About Ms. Mochizuki’s sister

x

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(Stage 9) Search – The news of the execution (5)
~Hyoutan pond~

Talk
A flower girl
– Today…
– The reason of the tears

Interact
A street vendor

x

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(Stage 10) Search – The news of the execution (6)
~Asakusa 12-Story Building~

Interact
Move to the Library. Tap to clear the piles of books by the left side of the room, revealing a book. {+ ‘Herb and Poisonous Weed Guide’}

x

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(Stage 13) Yamato
~The 5th basement, Library~

Yamato’s story was…
There is a contradiction.
There is no contradiction.

x

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(Stage 14) Search – After parting from Yamato
~The 1st basement, Entrance~

Talk
Kyouji Hashimoto
– About this morning’s execution
– Yamato

x

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(Stage 22) Vanished Yamato (2)
~The 3rd basement, Room 330~

“……………….”
Let’s help Yamato. (proceed to next choice)
Just wait and see for a while. (Ending 6 — September 1st)

About leaving a message to Mitsuru, my opinion is…
I agree. (Note: Choose either for Ending 7. Choose this to proceed to chapter 5 at the later stages.)
I disagree. (Note: Choose this for endings 8 and 9.)

x

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(Stages 24, 25) Nagi -In the 7th basement of the prison-, Search – The 7th basement -Prison-
~The 7th basement, Hallway of the prison~

Prison
Move to General Office.

General Office
1. Use key on door.
2. Tap the cabinet with a numerical lock. Enter 1-8-3-9. {+ lever}
3. Move to Prison.

Prison
1. Go to the nearest prison cell on the left. Use sword on the rod-like object on the floor. {+ Phillips screwdriver}
2. Go to the elevator at the end of the corridor. Insert lever on the slot to the left. Move the lever. The electricity will turn on.
C4 - elevator darkened.png
3. Take a closer look at the buttons on the right. Tap the rectangles that are darkened in the above image. The elevator will activate.

moshimushi.wordpress.com

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(Stage 26) Search – The 8th basement -Torture Room-
~The 8th basement, Torture Room~

1. Use sword on the rabbit hanging from the ceiling, on the right. {+ wooden doll}
2. Go to the wooden stand with 3 rectangles, to the left of the table. Tap the rectangles in order: left, right, middle, right, left. A panel will open. {+ flathead screwdriver}
3. Go to the axe on the wall. Use flathead screwdriver to remove screws. {+ axe}
4. Use axe on wooden doll {+ key to 9th basement}

x

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(Stage 27) Search – The 9th basement -Laboratory-
~The 9th basement, Laboratory~

Search
– Thick leather gloves (draped on the sink)
– Empty bottle (in drawer with the ring handle)

Interact
1. Use gloves on the flask emitting vapour. {+ heated flask}
2. Empty the heated flask in the sink. Collect the leftover solid in the sink {+ key to 10th basement}
3. For (Ending 7 — Hades Grass): Do not complete steps 4 and 5. Go straight to the gate by tapping ⇆. Use key on the gate and open it. (Note: For other endings and chapter 5, ignore step 3.)
4. Use empty bottle on the rightmost shelves with a number of bottles. Combine the chemicals: Vemunft + Hilfe. {+ bottle w/ a prepared chemical}
5. Go to the gate by tapping ⇆. Use key on the gate and open it.

*If you chose to leave a letter for Mitsuru in (Stage 22) Vanished Yamato (2), you will proceed to chapter 5. Otherwise, you will proceed to the remaining stages of chapter 4 and can obtain endings 7, 8 and 9.
(Reminder: you can replay past stages from the menu > stages > select a chapter > select a stage.)

moshimushi.wordpress.com

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(Stage 33) Search – The cultivation room of Hades grass
~The 10th basement, Cultivation Room~

1. Go to the two wheels on the left wall. Turn the left wheel arrowhead to ‘1’ and the right wheel to ‘9’. A panel will open. {+ stepladder}
2. Place the stepladder below the ceiling vent, centre of the screen. Use screwdriver to remove the screws. Enter the open vent hole.

moshimushi.wordpress.com

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(Stage 35) Nagi -falling down on the floor-
~The 7th basement, Hallway of the prison~

I’m going to…….
Go up to the surface with Nagi (Ending 8 — Buried Alive)
Go up to the surface leaving Nagi alone. (Ending 9 — My fate)

(Alternatively, you can also wait till the timer hits 0 for (Ending 8 — Buried Alive))


Chapter 4 (Full)  |  Detective Games ToC  |  Chapter 5


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