In the Sewers Monitor Room, arrange the six chess plugs according to your run: in the first (A) run, put Pawn, Queen, King on the Pawn-marked wall and Bishop, Rook, Knight opposite. In the second (B) run, put Pawn, Rook, Knight on the Pawn-marked wall and Queen, Bishop, King opposite. Read each wall from left to right while facing it.
Which chess plug order should you use?
The solution changes between the first/A run and second/B run. It depends on the run, not which character you are playing. Find the wall socket marked with a Pawn, then use the matching row below. Each sequence is left to right while you face that wall.
| Run | Pawn-marked wall, left to right | Opposite wall, left to right |
|---|---|---|
| First run / A scenario | Pawn, Queen, King | Bishop, Rook, Knight |
| Second run / B scenario | Pawn, Rook, Knight | Queen, Bishop, King |
Use the Pawn marker rather than descriptions such as “left wall” or “right wall”: those directions can vary depending on where a guide assumes you entered the room. Reference: PowerPyx’s chess plug solution.
Where to find the missing plugs
The Monitor Room puzzle uses six plugs: Pawn, Knight, Bishop, Rook, Queen, and King. Some may already be fitted in the room’s sockets. If you are missing the Queen, King, or Rook, follow the routes below.
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Queen and King
Reach the Storage Room by taking the route through the Bottom Waterway. A T-Bar Handle is needed to open the floodgate along the way. The Queen and King plugs are in the Storage Room.
Rook
From the Lower Waterway, use the T-Bar Handle to reach the Workroom Lift area, where you can collect the Rook plug. The walkthrough references for these plug locations and routes are PowerPyx’s puzzle guide and its full walkthrough.
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How to finish the puzzle
- Check whether you are on the first/A run or second/B run.
- Locate the Pawn-marked socket wall in the Sewers Monitor Room.
- Place the plugs in the appropriate left-to-right order for that wall and the opposite wall.
- If you do not have all six plugs, collect the Queen and King from the Storage Room route and the Rook from the Workroom Lift area, then return to the Monitor Room.
Both run orders are also corroborated by Video Games Chronicle’s first- and second-run guide and PowerPyx’s puzzle solutions guide.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.If the arrangement does not work
First verify that you are using the order for the active run, then check that you oriented both sequences by facing each wall and reading left to right. The available guides do not establish one definitive cause for every failed attempt, so these checks are the supported first steps.
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