The Sinking City 2The Sinking City 2Independent player notes

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All safe codes & puzzle solutions

The Sinking City 2 — the Devil's Reef Hotel, location of the Room 301 safe
© 2019–2026 Frogwares Ireland Ltd. Source: Steam store, app 2825860
Puzzle spoilers, minimal story spoilers. Solutions verified against GameSpew, TechRaptor and Games Horizon (August 19, 2026). Chapter numbers refer to our walkthrough.

All safe codes and combinations at a glance

These are the fixed four-digit combinations. Symbol, frequency and sequence locks are listed immediately below the table so this page can be used as a single quick-reference sheet.

LocationCodeClue sourceReward
Apartment 5 wall safe, Garrison St. (Ch. 1)1908The year the Radio Store openedHandgun ammo + Dolorocide Pill (healing). Unlocks The Inheritance achievement
Church watergate lock (Ch. 2)1672The year of the bell — church built 1667, bell cast 5 years laterStory progress
Devil's Reef Hotel, Room 301 safe (Ch. 2)2137Safe Code Letter + 'Baby, One More Tide' lyricsVoss Aiming Grip (pistol attachment) + ammo
Akeley Hospital storage room padlock (Ch. 3)1308Notes with digits 0, 1, 3, 8 found in the hospitalSubmachine gun upgrade
Fish Market Locker Room safe (Ch. 4)1496Clues completed via the Salt Storage noteGrenade launcher upgrade
Abandoned Office safe, past sequence (Ch. 4)6294Given by the ghostly figures in the memoryHeart of Stone / Leyden Jar (story item)

Gate fuse box (Chapter 1)

Three fuses, five cross-shaped bays. Ignore the grey-wired bays; use the three middle bays with colored wires, rotating fuses as needed:

Hit Validate, then pull the lever. Radio Store route and rotation notes: gate fuse box puzzle.

Printing press (Chapter 2)

Insert Printing Plates A, B and C, then flip tiles to make the grid one solid color. The color decides the reward:

Save at the nearby safe room first. The gold reward is generally the better pick if you use the shotgun; Dream Essence buys talents instead. Plate locations and numbered tile inputs: Printing Press puzzle guide.

Symbol & sequence puzzles

Head containers (Chapter 3)

The three container puzzles in Akeley Hospital all work the same way: rotate the container, remove the screws, take out the piece below the spinning disc, work the disc switches, then remove the metal pieces around the head. Each yields a face mask that opens matching doors.


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