Uncovering the secrets within the archive of lost books in TR-49 is a pivotal moment in the game that challenges players to decrypt a myriad of codes. These codes form the backbone of the game’s narrative and puzzle layers, making them indispensable for anyone looking to unravel its mysteries fully.
TR-49 Guides collection to support your quest.

Complete Guide
All Codes in TR-49
The game’s codes range from cryptic machine instructions to classic literary book references. Each code plays a specific role in the unfolding story or puzzle, providing numerous layers that reward careful exploration and attention to detail.
Machine Codes
The machines within TR-49 rely on these vital codes to operate, trigger events, or reveal hidden text. Slight missteps with these codes often lead to scrambled or inaccessible data, so accuracy is crucial.
| Code | Description | Links / Notes |
|---|---|---|
| TR49 | Boot index? | AT35 ED17 XX00 |
| PR37 | Return to previous screen? | |
| LA57 | Last entry created? | |
| ED17 | “Source Control” | MA43 WI93 |
| MA43 | Print content? | Password: DE39 |
| WI93 | Removes card and source entirely | Password: WI11 |
| LI57 | Generate index | |
| CC11 | Cecil | TR43 BE47 QM55 |
| BE47 | Beatrice | |
| AL12 | Aliz | KC62 |
| AB81 | Program associator? | Abbi / Player |
| TR43 | “TR49 was born in the huts at Bletchley” | TR49 |
| XX00 | Just an example? | CC11 BE47 |
| HE47 | ??? | Heal scrambled text |
| MA23 | Some kind of maze? | PA74 PA55 |
Books
The game references numerous works of literature with unique codes. These codes often correlate to narrative elements or puzzles related to those books, making literary knowledge a useful ally for players.
| Code | Description |
|---|---|
| AC20 | The Mysterious Affair at Styles |
| AD02 | The Hound of the Baskervilles |
| AD45 | Queen Margot |
| AD92 | The Adventures of Sherlock Holmes |
| AG04 | The Thousand and One Nights |
| AT35 | The Lady of Shalott |
| AT59 | The Idylls of the King |
| BS97 | Dracula |
| CB47 | Jane Eyre |
| CD61 | Great Expectations |
| EB47 | Wuthering Heights |
| ES44 | How Sheperds Object |
| FD66 | Crime and Punishment |
| FF25 | The Great Gatsby |
| FK15 | Metamorphosis |
| GA00 | The Bible |
| GD26 | Murder in the Casino |
| GE71 | Middlemarch |
| GG55 | The Quiet American |
| GO49 | 1984 |
| HM51 | Moby ♥♥♥♥ |
| HW95 | The Time Machine |
| HW98 | The War of the Worlds |
| JA13 | Pride and Predjudice |
| JC99 | Heart of Darkness |
| JH61 | Catch-22 |
| JJ20 | Ulysses |
| JL03 | Call of the Wild |
| JS39 | The Grapes of Wrath |
| JS51 | The Catcher in the Rye |
| JT54 | The Lord of the Rings |
| KC62 | Livestock: A Practical Guide |
| LC65 | Alice in Wonderland |
| LE01 | The Deceiving of Qiana |
| LT78 | Anna Karenina |
| ME59 | The Banal Face |
| MS18 | Frankenstein |
| NH50 | The Scarlet Letter |
| NU11 | If Stones Decide |
| OW90 | The Picture of Dorian Gray |
| PW34 | Joy in the Morning |
| RC39 | The Big Sleep |
| RS83 | Treasure Island |
| TH91 | Tess of the d’Urbervilles |
| VD43 | A Movement With Train |
| VH31 | The Hunchback of Notre Dame |
| WG54 | The Lord of the Flies |
| XR49 | A Misadventure of Candlelight |
Aliz Caulderly
Aliz Caulderly, born in 1961, is pivotal as the daughter of the machine’s original creators. Abandoned the archive in 1985 to seek someone named William and knows her mother’s password, linking her deeply to the game’s core mysteries.
| Field | Information |
|---|---|
| Born | 1961 |
| Notes | Daughter of creators Cecil Caulderly and Beatrice Dooler |
| Notes | Knew her mother’s password |
| Notes | Left archive in 1985 to find “William” |
| Code | Description | Links |
|---|---|---|
| AC70 | The end of the maze | LC65 – Use PO01 here |
| AC81 | “I have decided to take over my father’s work…” | LR81 MA23 |
| AC85 | “It’s the worst kind of stupid…” | GA00 CC76 AC81 |
Academicalist’s Journal
The Academicalist’s Journal runs from 1926 to 1970 with a brief 37-issue lifespan under editor Pierre Letour, who reportedly knew Quentin Lemarchant. These details paint a backdrop for the journal’s influence and lore within the archive.
| Field | Information |
|---|---|
| Years | 1926 – 1970 |
| Issues | 37 total |
| Editor | Pierre Letour |
| Notes | Editor likely acquainted with Quentin Lemarchant |
| Code | Description | Links |
|---|---|---|
| AJ26 | Academicalist’s Journal #1 | QL18 QL24 AJ27 AJ30 AJ32 AJ35 AJ41 AJ45 AJ68 AJ70 UL73 RC89 |
| AJ27 | Academicalist’s Journal #2 | HP06 HP22 AJ32 HP56 |
| AJ30 | Academicalist’s Journal #5 | QL24 RA26 AJ41 |
| AJ32 | Academicalist’s Journal #7 | AJ30 AJ68 |
| AJ35 | Academicalist’s Journal #10 | JS31 LR53 |
| AJ41 | Academicalist’s Journal #16 | PK37 PK39 TD41 AJ45 |
| AJ45 | Academicalist’s Journal #17 | TD41 IA42 AJ70 PL72 |
| AJ68 | Academicalist’s Journal #36 | DP11 AJ70 DP96 |
| AJ70 | Academicalist’s Journal #37 | CC69 AJ68 |
Beatrice Dooler
Beatrice Dooler, active in building the quantum state storage system, was married to Cecil Caulderly from 1958 to 1969. She set a password (WI11) on certain machine commands, highlighting her integral role in securing the archive.
| Field | Information |
|---|---|
| Notes | Developer of quantum state storage |
| Marriage | Married Cecil Caulderly 1958–1969 |
| Favourite book | RS83 – “She’ll name her children after the pirates.” |
| Passwords | WI11 for some commands |
| Code | Description | Links |
|---|---|---|
| BD49 | “It’s my project too!” | OW90 |
| BC61 | “A momentous day!” | |
| BD61 | “(Redirection.)” | BC61 |
| BC67 | “Here is one for you, William…” | Must be retrieved from storage (MA43) before use |
| QM55 | “It can now understand itself…” |
Cecil Caulderly
Cecil Caulderly, who passed in 1977, co-built the machine with Beatrice and created log entries every ten years. His personal and professional life, including his separation from Beatrice, is key to the game’s story progression.
| Status | Information |
|---|---|
| Died | 1977 |
| Notes | Built machine with Beatrice, separated in 1969 |
| Marriage | Married in 1958 |
| Notes | Created a new log entry every decade |
| Code | Description | Links |
|---|---|---|
| CC49 | “The work begins in earnest!” | DP00 QL17 BD49 |
| CC59 | “Ten years old today!” | CC69 XY78 DP96 |
| CC69 | “Bea will not tell me her password…” | JS24 IA39 XY55 CC79 |
| CC76 | “I’m getting weaker…” | AG04 AD45 |
| CC79 | “He is lying in God’s own archive…” | BC61 CC76 AC81 |
| CC11 | Cecil | TR43 BE47 QM55 |
Cecil Erstwhistle
Born in 1914, Cecil Erstwhistle was an active member of the Church of the Rampaging Christ and notorious for destroying Quentin Lemarchant’s last book. These facts add layers to the historical context within the game.
| Field | Information |
|---|---|
| Born | 1914 |
| Notes | Church member, destroyed Lemarchant’s final book |
| Code | Description | Links |
|---|---|---|
| CE32 | “A tadpole of a man.” | JS38 |
| CE74 | “Once a cretin, forever a cretin.” | GA00 |
| CE14 | (Author index) | CE32 CE74 |
Dorothea Pemberton
Living between 1818 and 1911, Dorothea Pemberton’s life was affected significantly by typhoid fever and she is noted for the quote “The universe is but the surface of a pool.” Her timeline intersects with pivotal events including the death of Xavier Youngman.
| Field | Information |
|---|---|
| Years | 1818 – 1911 |
| Quote | “The universe is but the surface of a pool.” |
| Notes | Born during Xavier Youngman’s death year |
| Notes | Typhoid fever affected her life |
| Notes | Possibly met QL before 1908 |
| Code | Description | Links |
|---|---|---|
| DP00 | An Image of Water | RS83 DP96 |
| DP08 | Irrationals | QL11 DP11 QL24 |
| DP11 | End Notes | |
| DP96 | In My Dreams, I Walk | DP08 JS29 DP81 |
| DP81 | (Author index) | DP00 DP08 DP11 DP96 |
Emma Kendrick / Meyfleur
Emma Kendrick, born Emma Meyfeur in 1909, has a personal story intertwined with the writer Pinkin Kendrick. Their romance began after Emma read his 1937 novel, culminating in marriage in 1944, which influences some game narratives.
| Field | Information |
|---|---|
| Born | 1909 |
| Notes | Birth name Emma Meyfeur |
| Notes | Romantic connection to Pinkin Kendrick |
| Marriage | Married in 1944, took Kendrick name |
| Code | Description | Links |
|---|---|---|
| EM36 | Deadvoice | EK52 |
| EM39 | “I don’t deny it. We were close once…” | JS40 LR53 |
| EK52 | Doomwild | PK51 |
| EK65 | Greenwalker | EM36 LR65 EK77 |
| EK77 | Endpeace | LR81 |
| EM80 | Confessionday | |
| ES92 | Breakcode | CC49 AC85 JS85 LR99 RC92 |
| EM09 | (Author index) | EM36 EM39 EK52 EK65 EK77 EM80 ES92 |
Hammerstone Press
Hammerstone Press operated between 1906 and 1922, publishing unusual anonymous writings. It was later acquired and revived by Caulderly in 1956, contributing a distinct voice within the archive’s recorded publications.
| Years | Information |
|---|---|
| 1906 – 1922 | Founded for outlandish anonymous writings, restarted in 1956 |
| Code | Description | Links |
|---|---|---|
| HP06 | The Hammerstone Manifesto | HP08 DP08 HP09 HP22 HP56 |
| HP08 | Doomed Theoretics | DP08 |
| HP09 | Primitive Man, He-Who-Remains | CC59 |
| HP22 | Utopia Within Reach | LS22 HP56 |
| HP56 | Perplexing Astrality | HP08 HP09 QL11 HP22 |
Isambard Arklovich
Isambard Arklovich is attributed with writing the seven-book “Rampage” cycle and might be a pseudonym for Joshua Silverton, adding intrigue to the authorship and themes explored in the game’s lore.
| Notes |
|---|
| Authored the seven-book “Rampage” cycle |
| Possible pseudonym for Joshua Silverton |
| Code | Description | Links |
|---|---|---|
| IA32 | Rampage: The Sword Moon | IA33 |
| IA33 | Rampage: Swords in the Dark | |
| IA35 | Rampage: The Glen of Galileo | JS31 CE32 IA33 IA37 |
| IA37 | Rampage: Rampage! | IA39 |
| IA39 | Rampage: Azimuth Ascending! | IA40 IA42 |
| IA40 | Rampage: Alienation | IA42 |
| IA42 | Rampage: The Moon Sword | IA32 |
Joshua Silverton
Joshua Silverton, active between 1903 and 1943, contributed significant academic papers including a groundbreaking 1929 paper on DME. His career declined afterward, possibly linked to rivalry with Pinkin Kendrick, reflected in the narrative.
| Years | Information |
|---|---|
| 1903 – 1943 | Lifespan |
| Notes | Published a landmark 1929 paper on DME |
| Notes | Followed by a controversial paper |
| Notes | Had a rivalry with Pinkin Kendrick |
| Code | Description | Links |
|---|---|---|
| JS24 | Semiotic Assertions | RA26 |
| JS29 | Quantum Conceptuals in Nature | JS31 DP96 |
| JS31 | The Pen of Galileo | JS24 JS29 PK32 AJ35 |
| JS38 | “That rat-bastard…” | EM39 JS40 JS43 |
| JS40 | A final word | JS43 PK74 JS85 JS03 |
| JS43 | A death certificate | JS29 JS32 |
| JS85 | “Dearest Mayflower” | RC92 |
| JS03 | (Author index) | JS24 JS29 JS31 IA32 IA33 IA35 IA37 JS38 IA39 IA40 JS40 IA42 JS43 JS85 |
Literary Review
The Literary Review, notable for not being published during the two World Wars, stands as a chronicle spanning decades of academic critique within the game’s lore.
| Notes |
|---|
| Not published during either of the Great Wars |
| Code | Description | Links |
|---|---|---|
| LR00 | Literary Review #1 | DP00 LR22 LR53 LR59 LR65 LR81 LR99 |
| LR22 | Literary Review #18 | DP08 DP11 HP22 |
| LR53 | Literary Review #44 | JS29 PK51 LR59 |
| LR59 | Literary Review #50 | LR00 HP56 CC59 |
| LR65 | Literary Review #56 | EK65 |
| LR81 | Literary Review #72 | LR65 PK74 XY78 AC81 EM09 |
| LR99 | Literary Review #90 | LR00 PL72 |
Pinkin Kendrick
Pinkin Kendrick’s turbulent life from 1889 to 1980 includes debuting late with a novel at 47 and a rivalry with Joshua Silverton. His final years involved institutionalization, adding a tragic edge to his narrative presence.
| Years | Information |
|---|---|
| 1889 – 1980 | Lifespan |
| Notes | Published debut novel at 47 |
| Marriage | Married Emma in 1944 |
| Notes | Committed to an asylum in 1975 |
| Notes | Rivalry with Joshua Silverton suspected |
| Code | Description | Links |
|---|---|---|
| PK32 | Dark Matter and the Veil | JS29 PK36 AJ41 |
| PK36 | Time and Temporality | JA13 PK37 PK51 PK89 |
| PK37 | Temporality Waits For No Man | PK36 PK39 AT59 |
| PK39 | Doom Comes to the Doctorate | |
| PK51 | In the Shadow of a Passage | LR53 |
| PK74 | Men Must Devour | EK77 AC85 |
| PK89 | (Author index) | PK32 PK36 PK37 PK39 PK51 PK74 |

