Sinking City 2: Central Arkham 100% Full Walkthrough Timestamped @EmmieJacob
Sinking City 2: Central Arkham 100% Full Walkthrough Timestamped  @EmmieJacob
Uploaded August 2026 | Updated September 2026, 3 weeks ago
Check the timestamps if you're looking for just a puzzle solution like the Trident or how to get into the church out building or the printing press or the ventilation puzzles.

In an effort to focus on routing & collectibles, this playthrough was done on the invulnerability difficulty. There's enough backtracking that I didn't want to clutter the routing with safe room visits if I could remove them. The number of enemies does not appear to change between easy and normal. And quite frankly, being invulnerable is awesome. :) Also, the Ambient noise in the settings has been turned off so there's no worm sounds in this walkthrough. I couldn't handle them. :)

0:00 Introduction & starting cutscenes

STARTING APARTMENT
9:55 Excerpt from "The Dream Realm" & About the Mask
10:36 Final Warning!
11:18 Restricted Section Inventory
11:57 Farewell Arkham! & Please!

HARRY'S FLOODGATE
15:11 Arriving & Safe Room
16:40 Gate Switchboard, Gate Investigation
17:40 Map
18:29 To Martin, Safe Investigation
20:15 Gate Fuses & Wires, Gate Investigation
21:10 Fuses
22:18 From a Sister, Safe Investigation
23:43 Opening the safe
25:07 The Woman at the Door, Broadcast 1
27:15 Putting the fuses in
29:19 Lost Letters - Death Awaits

LIBRARY
31:04 Arriving
35:10 ERC Box Location Only & Map
35:40 Lost Letters - Dominion
36:06 Manifesto
37:27 Internal Memorandum
38:14 Turning the shelf wheels
44:09 ERC User Manual & Pen
44:35 Safe Room
44:58 Opening the ERC/Voss' Compensator

CHURCH
48:15 Arriving & A Balm for Flesh and Relic
49:43 Stained Note
50:52 Church Key
52:20 A Call Upon Believers, The Other Gods Investigation
52:50 Origins of Redemption Church, Floodgate Investigation
53:16 Look for Dream Essence! & Talents review
55:57 Lost Letters - The Conduit
56:38 Star Key & Floodgate Lock, Floodgate Investigation
58:17 ERC Pen & Notes on the Path, The Other Gods Investigation
59:00 Star Building in the Graveyard & Letter to Boss, ERC - Printing Plate C, Red Press Investigation, & The First Vision, The Other Gods Investigation
1:01:20 The Perfect Day, Broadcast 2
1:02:54 Report on the Bell, Floodgate Investigation, & Trident Puzzle
1:05:00 Charging the Trident & the Altar stuff
1:10:12 Floodgate Code

MOVE THE WHALE/SILVER EEL RESTAURANT/FIRE DEPARTMENT
1:13:45 Arriving & Broken Crane, Crane Investigation
1:14:45 Safe Room, The Missing Mayor Broadcast 3, Field Surgeon Shotgun, The Graveyard Key, Soggy Note, Crane Investigation
1:23:10 ERC Location & Turning off Fire alarm
1:25:20 Gas
1:28:10 Putting the gas in

PRINTING HOUSE
1:30:17 Arriving
1:34:33 Printing Plate A, Incident During Study, Red Press Investigation & Lost Letters - Staying With You
1:36:26 APH Key
1:37:32 Adventure Awaits for Arkham's Academics
1:37:59 ERC Pen
1:38:38 Floodwaters Rise
1:39:17 ERC Inventory Expansion & Gear

FIRE DEPARTMENT
1:43:55 Moving the whale
1:45:56 About the Custom "Red" Franklin, Red Press Investigation, Printing Plate B & ERC Pen
1:49:10 ERC Shotgun Shells & Dream Essence

PRINTING HOUSE
1:51:48 Red Press Trophy
1:53:22 Silver - Dream Essence
1:54:40 Gold - Cutter's Sturdy Stock

FLOODGATE
1:58:21 Arriving
1:58:59 Lost Letters - Meet Me at Dawn
2:00:20 Gerda Lost Her Head

DEVIL'S REEF HOTEL
2:21:32 Arriving
2:03:04 Safe Room, Map, Hotel Ledger, Lorelei Investigation
2:03:40 Song of the Universe Broadcast 4
2:06:10 Room 301 safe location & Run For Your Life
2:07:20 Staff Key original location
2:09:14 Your Last Game
2:09:30 Lost Letters - An Artifact
2:10:20 Lorelei's Request
2:11:13 Staff Key
2:11:52 Baby, One More Tide Lyrics, Safe Investigation
2:13:50 Lorelei Chests, Lorelei Investigation, & Lorelei Tokens
2:14:56 Lorelei Chest Room 203
2:16:44 Lorelei Chest Room 303
2:17:29 Safe Code Letter, Safe Investigation & opening the safe in 301, Voss' Target Grip
2:20:09 Lorelei Chest Lobby Bar

BASEMENT
2:21:16 Lorelei Lock, Lorelei Investigation
2:22:07 Ventilation System Schematic
2:22:42 Carruthers the Crook
2:23:05 The Minuteman Submachine Gun
2:23:19 Mustard Gas
2:23:50 Ventilation Puzzle

1. Blue/up, center circle, move it until 3rd meter is all the way up.
2. Red/down, left circle, move it until 2nd meter is down one slot under the green.
3. Blue/up, left circle, move it up one. That should put the 1st and 2nd meters in the green.
4. Blue/up, right circle, move it until 4th meter is in the green.

2:25:35 Wine Cellar & Linen Storage

FREEING LORELEI
2:28:00 Lift up to back stage

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Sinking City 2: Central Arkham 100% Full Walkthrough Timestamped

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