Uploaded August 2026 | Updated September 2026, 2 weeks ago

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Sinking City 2 - Ventilation System Puzzle Solution - Chapter 2

The Ventilation System puzzle in Chapter 2, solved end to end.

It sits inside Devil's Reef, on the way to reaching Lorelei the Siren, and it is a pressure puzzle rather than a riddle: three valves feed four gauges, and the gauges have to sit inside their marked bands at the same time. Turning one moves the others, which is what makes it fiddly.

The whole solution runs in real time here, so you can copy the valve order straight off the screen.

More Sinking City 2 guides:
All 3 Lorelei Boxes and the Lorelei Puzzle, Chapter 2 - youtu.be/jx9A6BLKBUk
All 16 Evidence Locations and Solutions, Chapter 2 - youtu.be/iNJMprYRchw
All 2 Dream Essence Locations, Chapter 2 - youtu.be/3u9YJiJ45t4
All 3 Radio Locations, Chapter 2 - youtu.be/P2YfvUEaLmw
All 4 E.R.C Box Locations, Chapter 2 - youtu.be/-3PlR3pawSc

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