In this Case Solved guide, I mention all available codes found in Secret File and arrange them in a way you can read easily. 42 cases mention below each with screenshot to make it easier to match the file with the code you need.
Secret Files Codes
I share all Secret Files codes I used to unlock every case. The table below contains the secret file, secret file name, and the code accordingly.
| Secret File | Secret File Name | Code |
|---|---|---|
| 1 | The Vortex Fire | 1887 |
| 2 | The Camden Mirror | Casiraghi |
| 3 | The Bloomsbury Codex | 15cats |
| 4 | The Mayfair Auction | MATCHBOX2 |
| 5 | The Limehouse Wager | 144p |
| 6 | The Drury Lane Stage | PH0T0S |
| 7 | The Hampstead Séance | CHESSARAMA |
| 8 | The Clerkenwell Forge | ELEMENTARY |
| 9 | The Hatton Garden Diamond | REDJOHN |
| 10 | The Fleet Street Ink | 67 |
| 11 | The Woolwich Compass | PUB |
| 12 | The Southwark Still | G0SSIP26 |
| 13 | The Brixton Phonograph | 12:10AM |
| 14 | The Chelsea Herbarium | REDPHONE |
| 15 | The Threadneedle Vault | 999 |
| 16 | The Deptford Anchor | BIGBEN |
| 17 | The Bermondsey Map | BELL77 |
| 18 | The Battersea Siren | CATT |
| 19 | The Knightsbridge Perfume | MORIARTY |
| 20 | The St. James’s Cigar Shop | 404 |
| 21 | The Barts Flask | YARD |
| 22 | The Hackney Kaleidoscope | NEXTFEST |
| 23 | The Stepney Aquarium | LAUNCHJUL |
| 24 | The Poplar Daguerreotype | M1N1M0L |
| 25 | The Camberwell Gramophone | SP3CN3XT |
| 26 | The Smithfield Horseshoe | TEAFORTWO |
| 27 | The Clapham Medallion | L0ND0N |
| 28 | The Temple Chalice | RAINY |
| 29 | The Blackfriars Organ | V1CTIM |
| 30 | The Westminster Parchment | CLUE |
| 31 | The Three Mills Distillery | JAZZ |
| 32 | The Cheapside Scales | WISHLIST |
| 33 | The Cricklewood Taxidermy | STRE4M |
| 34 | The Leadenhall Market | HIDD3N |
| 35 | The Embankment Obelisk | S3CR3T |
| 36 | Burlington Arcade | S0LV3D |
| 37 | The Lombard Street Exchange | SCOTLAND |
| 38 | The Wandsworth Mill | BRAZIL |
| 39 | The Tower Hill Sextant | H4LT |
| 40 | The Kensal Green Mausoleum | DONUT |
| 41 | The Tottenham Printshop | MINDGAP |
| 42 | The Waterloo Bandstand | PUDDING |
Case 1 – The Vortex Fire
For Case 1, I use the code 1887 to unlock The Vortex Fire.

Case 2 – The Camden Mirror
To unlock The Camden Mirror, I use the code Casiraghi.

Case 3 – The Bloomsbury Codex
For The Bloomsbury Codex, I enter the code 15cats.

Case 4 – The Mayfair Auction
The code I use for The Mayfair Auction is MATCHBOX2.

Case 5 – The Limehouse Wager
If you are unlocking The Limehouse Wager, use the code 144p.

Case 6 – The Drury Lane Stage
I use PH0T0S to unlock The Drury Lane Stage.

Case 7 – The Hampstead Séance
Case 7 requires the code CHESSARAMA, and I use it to unlock The Hampstead Séance.

Case 8 – The Clerkenwell Forge
The correct code for The Clerkenwell Forge is ELEMENTARY, and I use it to proceed.

Case 9 – The Hatton Garden Diamond
When I reach The Hatton Garden Diamond, I enter the code REDJOHN.

Case 10 – The Fleet Street Ink
I unlock the case 10 using the code 67.

Case 11 – The Woolwich Compass
I unlock The Woolwich Compass with the code PUB.

Case 12 – The Southwark Still
To complete The Southwark Still, I use the code G0SSIP26.

Case 13 – The Brixton Phonograph
For this secret file, I enter the code 12:10AM.

Case 14 – The Chelsea Herbarium
The Chelsea Herbarium unlocks after I use the code REDPHONE.

Case 15 – The Threadneedle Vault
I use 999 to unlock The Threadneedle Vault.

Case 16 – The Deptford Anchor
To unlock The Deptford Anchor, I enter the code BIGBEN.

Case 17 – The Bermondsey Map
For Case 17, I use the code BELL77 to unlock The Bermondsey Map.

Case 18 – The Battersea Siren
I enter CATT to unlock The Battersea Siren.

Case 19 – The Knightsbridge Perfume
The code I use for The Knightsbridge Perfume is MORIARTY.

Case 20 – The St. James’s Cigar Shop
When solving The St. James’s Cigar Shop, I use the code 404.

Case 21 – The Barts Flask
For The Barts Flask, I enter the code YARD.

Case 22 – The Hackney Kaleidoscope
I use NEXTFEST to unlock The Hackney Kaleidoscope.

Case 23 – The Stepney Aquarium
Case 23 requires the code LAUNCHJUL.

Case 24 – The Poplar Daguerreotype
To unlock The Poplar Daguerreotype, I use the code M1N1M0L.

Case 25 – The Camberwell Gramophone
The correct code for The Camberwell Gramophone is SP3CN3XT.

Case 26 – The Smithfield Horseshoe
I use TEAFORTWO to unlock The Smithfield Horseshoe.

Case 27 – The Clapham Medallion
For Case 27, I enter the code L0ND0N.

Case 28 – The Temple Chalice
The code I use for The Temple Chalice is RAINY.

Case 29 – The Blackfriars Organ
When I reach The Blackfriars Organ, I use the code V1CTIM.

Case 30 – The Westminster Parchment
I enter CLUE to unlock The Westminster Parchment.

Case 31 – The Three Mills Distillery
For The Three Mills Distillery, I use the code JAZZ.

Case 32 – The Cheapside Scales
Case 32 can be unlocked using the code WISHLIST.

Case 33 – The Cricklewood Taxidermy
I use STRE4M to unlock The Cricklewood Taxidermy.

Case 34 – The Leadenhall Market
The correct code for The Leadenhall Market is HIDD3N.

Case 35 – The Embankment Obelisk
To unlock The Embankment Obelisk, I enter the code S3CR3T.

Case 36 – Burlington Arcade
I use the code S0LV3D to unlock Burlington Arcade.

Case 37 – The Lombard Street Exchange
For Case 37, I use SCOTLAND to unlock The Lombard Street Exchange.

Case 38 – The Wandsworth Mill
The code I enter for The Wandsworth Mill is BRAZIL.

Case 39 – The Tower Hill Sextant
I unlock The Tower Hill Sextant using the code H4LT.

Case 40 – The Kensal Green Mausoleum
For The Kensal Green Mausoleum, I use the code DONUT.

Case 41 – The Tottenham Printshop
When solving The Tottenham Printshop, I enter the code MINDGAP.

Case 42 – The Waterloo Bandstand
Finally, I use the code PUDDING to unlock The Waterloo Bandstand.
