The Sinking City 2 Walkthrough — Safe Code

This The Sinking City 2 walkthrough follows the route the game forces, from the final evacuation of Calvin's home through the flooded districts to the Antarctic temple. Each area is gated by a key item or a watergate, so the order below is fixed, and the safe codes and puzzle answers are collected in one table so you can solve a lock without leaving the page.

The route in order

The campaign opens in Calvin's home, then drops you into the flooded city. You take the boat through the streets to the Apartment Building and the Radio Store, then push on to the Miskatonic Library Annex. From there the path runs through the church, the fire station, the printing house, the hotel, the hospital, the fish market and finally the Badlands.

• Part 1 - Reaching the Library Annex: Home, Apartment Building, Radio Store.
• Part 2 - The Annex: sliding bookshelves and the Restricted Section.
• Part 3 - The Church: Star key, Trident, obelisk and watergate.
• Part 4 - The Fire Station: Gas Canister and the crane repair.
• Part 5 - The Printing House: three Printing Plates and the press.
• Part 6 - The Hotel: Lorelei, Lorelei Chests and the generator.
• Part 7 - The Hospital: the Eye, three Nightmares and the rifle.
• Part 8 - The Fish Market: Deep Ones, the Shoggoth and the portal.
• Part 9 - The Badlands: the Antarctic temple and the Slither Prime.

Safe codes and puzzle answers

GameSpew and Neoseeker between them document every lock, and the safe codes are the ones players search for most. The table below lists them with the location and the answer as published.

Lock	Location	Answer
Wall safe	Apartment 5, before the Annex	1908
Watergate lever	Outside the church	1672
Hotel safe	Devil's Reef Hotel, Room 301	2137
Storage room lock	Hospital basement	1308
Brains console	Hospital Wireless Room	13, 05, 36
Wooden lock	Fish Market East Wing	1, 4, 9, 16
Obelisk	Behind the church	Snake, X, Arrowhead, U
Cursed press	Printing House secret room	Top right corner, middle, middle right, bottom left corner

Two of these need a key item first. The obelisk needs the Star key and the Trident from the church, and the Fish Market locker needs the bolt cutters from the weighing station before the symbol lock will even appear.

Collectibles, saves and what is missable

Two collectible sets are achievement-linked and missable within a run: ten Mushroom Jack radios and thirteen Emergency Relief Crates, the latter needing an E.R.C. Activator Pen. Documents are not tracked but often carry the clue to the nearest safe code, so read them as you go.

• Save manually at safe rooms; the autosave only fires at major checkpoints.
• Safe rooms also hold the Talent table and the stash.
• Sweep each district fully before leaving, because backtracking is limited.
• Eight Ex Oblivione writings only appear in New Game Plus.

For the systems behind the route, read the guide. For completion tracking, use the trophy guide.