
A World War II computer. An archive of lost books. A world-changing secret. Narrative deduction meets audio drama, from the creators of Overboard!, Heaven's Vault and A Highland Song.
Modeled estimate, not a reported figure. How we estimate →
Discounts
Every price cut of more than 20% we have observed, in each market that quoted one, with this game's chart position on either side of it. These are episodes, not a model: a sale is one event, and one event cannot tell you what the next one will do.
Reviews, worldwide (the counter carries no country): 1.43/day in the week to Aug 10 → 3.71/day in the week after.
For scale, across Steam · Top Sellers · Brazil over the last 30 days: the 24 chart moves that followed a price cut of more than 20% went a median of 9 places towards #1, and the 2,404 moves with no price cut behind them went 2 away. One store, one chart, one country — it is the only place we have enough observations to say even that.
Prices outside the United States have been collected since 6 August 2026 and chart positions since 19 July 2026, so a cut older than that has no market to compare and a market that joined later has no history yet. Nothing here is converted between currencies.
About
A voice is saying your name. A WWII-era machine, long hidden in a church basement, whirs to life. Through a crackling speaker, a man asks you to find a stolen book. He only knows the title. Time is running out.
The machine, created by Bletchley Park engineers Cecil Caulderly and Beatrice Dooler, contains a vast archive of obscure books, letters, and journals fed in over the span of fifty years in an attempt to crack the code of reality. As their lives fell apart, the machine kept working.
Navigate the computer’s archive. Link its obscure texts and uncover its creators’ secrets. Communicate with the man behind the speaker to figure out your role in this mystery. Destroy the book at the core of the machine — before it’s too late.
Deduce links through the archive to locate hidden sources.
Unravel the stories and unearth the secrets of the books’ authors and the machine's creators.
Map the archive and find the book that will rewrite the world.
Talk with your handler at any time, creating a dynamic audio drama that responds as you explore.
Featuring the voices of Rebekah McLoughlin (The SCP Archives, Eternal Threads), Paul Warren (A Highland Song, Viewfinder, The Séance of Blake Manor) and Phillipe Bosher (Baldur's Gate 3, Doctor Who, The Hitchhiker’s Guide to the Galaxy).
Original soundtrack by Laurence Chapman (A Highland Song, Heaven's Vault, The Mask of the Rose).
TR-49 takes inspiration from narrative deduction games like The Roottrees are Dead, The Return of the Obra Dinn, Type Help and Her Story, and from audio dramas like The Magnus Archives and ars PARADOXICA.
Written and created by the award-winning team behind Heaven's Vault, Overboard!, and A Highland Song.
Engagement
Reviews
Themes across 160 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
Reviews
Really good deduction game with great writing as usual from inkle. I might be too stupid to figure it all out but what I did find was excellent!
An excellent entry into the deduction puzzle genre.
Great writing, compelling plot and tickles that mystery solving itch. This game is so unique and underrated. I went in without any expectations and went through a journey from utter confusion, then vague comprehension, then super invested and feeling like I've known all the characters for years. I think the last time I had this type of comprehension rollercoaster was Return of the Obra Dinn. If you liked this and haven't played any other Inkle games, their whole backlog is delightful. My favorite is Heaven's Vault.
Media

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Genres
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English**languages with full audio support
Hours played at review time, across 160 reviews with recorded playtime.
positive critical· bar length = how often the theme comes up
I thoroughly enjoyed this one. The puzzle part of the game is mostly identifying missing portions of code through reading text. The story was interesting and there are multiple endings.
Absolutely stunning. One of the best games I've played recently; the story genuinely nearly made me shed a few tears. Still terribly upset there's no 'Abbi meets Liam IRL' ending, but okay.. Beautiful voice acting anyways, and I was really surprised that trying to exhaust the dialogue had consequences. Overall will 100% recommend.
Great game with very unique story telling. Well worth playing
This game is quite similar to The Roottrees are dead but it is more narrow in it's delivery and story. The gameplay is okay and navigation in the entries is very satisfying when your match is correct. While i have some grip that the commands are a bit obscur to find (if it is even showed) but to resort to some brute forcing devalue a bit some logical thinking. It is not that much mind you but being stuck sucks a bit. But whilethe game is short and condense, the ideas behind are great and i enjoyed my time with it.
An incomprehensible, unplayable mess. Essentially a walking simulator where you click instead of walk? Maybe there's more to it, but there's not even an effort to make you want it, or any edges to grab onto. Click click click "something happened!" *random "story" exposition that is meaningless, click click click repeat repeat." Voice acting is OK but the writing is absolute trash and gameplay seems nonexistent. I really wish Steam would start banning publishers / developers who blatantly lie about their game content. Pass on this. To be very clear: this "puzzle game" has ABSOLUTELY NO PUZZLE ELEMENTS.
I really enjoyed my play through and I think there is a lot to recommend here. You find yourself in a mysterious cellar faced with a machine with rudimentary inputs that allow you to enter a two character, two digit code. That's the entire UI. The puzzle is discovering the combinations you need to enter to traverse the web of stored documents in the machine. In most cases the codes are completely discoverable from the information presented to you. There are a few cases of trial and error as you scan through a set of possible combinations, but this is rare. In addition, you are often treated to references to real world literature as you do this. As you explore the library of content stored in the machine you'll discover a cast of characters and their relations to one another. The game does a terrific job of taking notes for you in a series of dossiers for each character and publication.
VERY fun! The game is highly immersive, and I'm impressed by the multiple ways you can control everything. The controls are very flexible. Clicking, dragging, keyboard; it all works! The only thing I wish for is a way to tell how many total things (cards) I haven't seen. Now that I've beaten the game, I want to see the content I missed or couldn't find. I don't want to spend many hours brute forcing to see everything. I highly recommend opening the settings and turning off hints to see how far you can get without them. I beat the game (good ending) without them after about 5 hours.
Players by region
Where this game's players are, estimated from review languages.
Players also reviewed
The games this title's players most often review too — audience affinity.
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