Silent Hill 4: Align Prison Cells

AntMag.NET

Alright, let's tackle this puzzle in the 2F/3F Surveillance Room. The main idea here is to get those prison cells lined up just right so the floodlights on the third floor can hit the basement kitchen. This is crucial because it'll light up a keypad in the kitchen that you can't see otherwise. Don't worry, the solution is the same no matter the difficulty, though the memos you find might be a bit cryptic on Hard. If that's the case, just stick to the Easy/Normal memo info.

Walkthrough

1
First things first, make sure you've already opened the sluice valve on the roof. If you haven't, you'll need to backtrack and do that to get this whole process rolling.
2
Now, head to the 2F Surveillance Room. Your goal is to find the cell with the blood-stained bed. The memo mentions you can use the peephole here to help you spot it. The 1F cell with the blood-stained bed is always in the 1 o'clock position, and you can't rotate the 1F cells. So, you need to align the 2F and 3F cells with it.
3
The blood-stained bed on 2F starts at the 7 o'clock position. You need to turn the valve in this room. It doesn't matter if you go left or right, but you need to turn it a total of four times. After you've done that, use the peephole to confirm the blood-stained bed cell is now aligned with the 1 o'clock position.
4
Next, make your way up to the 3F Surveillance Room. The blood-stained bed here starts in the 10 o'clock cell. You'll need to turn the valve in this room twice to the right. You might see a cutscene after the first turn showing a man being freed from his cell (this might happen earlier if you messed with the 3F cells for the Stun Gun), but keep going and turn it a second time to the right to complete the alignment.
5
Use the peephole on 3F to confirm that the blood-stained bed cell is now in the 1 o'clock position.

What this does: Opening the sluice gate lets water power the B2 waterwheel, which in turn activates the 3F floodlights. Lining up the cells lets that light shine down into the B1 kitchen, making the keypad visible and usable.

Tips

The memo on 1F talks about disposing of bodies by digging holes below the cells and aligning cells vertically. It also mentions three rooms with bloody beds on each floor and that lining them up is key.
The memo on 2F explains that the 3F lights were originally searchlights and that rotating the floors allows you to align holes for corpse disposal and to keep the kids fearful. It also explicitly states that turning the handle in the middle of the 2F room rotates the cells and that you can use the peephole to check your work.
On Hard difficulty, the memos are shortened to just "I'm sleepy..." and "I want to go home." Just follow the Easy/Normal instructions for the puzzle solution.
After this puzzle is solved, your next stop is the B1 kitchen. If you got the Stun Gun earlier and ended up in the dining hall, you can access the kitchen directly through the east door in the B1 hall. Otherwise, you'll need to find a way to jump down from above.

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PUZZLE: REVOLVING PRISON CELLS (2F/3F SURVEILLANCE ROOM) [puz_03]