
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 →
Media

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.
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
Engagement
Hours played at review time, across 55 reviews with recorded playtime.
Reviews
Themes across 55 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
positive critical· bar length = how often the theme comes up
Reviews
Krótka przygoda, która jednak w wspaniały sposób zachęca do próbowania różnych rozwiązań oraz do nie poddawania się. Szybko się ją przechodzi i jak zrozumie się mechanikę to jest ona o wiele łatwiejsza, ale jako opowieść która ma tak ciekawą mechanikę warto!
Really fantastic puzzle game. Reminiscent of Her Story, although quite different in function. Just meant to check it out, and finished it in one sitting!
✅ Recommended TR-49 is a very unique narrative experiment by Inkle, blending puzzles, investigation, and reading into a short but intense experience. The entire game takes place through the interface of an old World War II computer, containing a vast archive of texts: books, letters, and journals. 🎮 Gameplay The gameplay is simple to understand but deeper than it looks: you input alphanumeric codes to access documents, and by reading them you find clues to unlock new codes. It strongly resembles Her Story: no action, just deduction, memory, and connecting pieces of information. If you enjoy this kind of “database” experience, this is definitely for you. 🧠 Atmosphere The visuals are minimal and entirely based on a terminal interface, but they still manage to create a slightly unsettling atmosphere. The game relies more on imagination and writing than visual impact. 📖 Narrative The story slowly builds as you read documents and piece things together. It requires attention, but it's engaging if you're willing to invest the effort. ⏱️ Length Around 4–5 hours. 👍 PROS + Original concept + Simple but engaging gameplay + Great atmosphere 👎 CONS - Can feel slow at times - Not suitable if you're looking for action - Requires patience and focus ⭐ Final Thoughts TR-49 isn’t for everyone, but if you enjoy investigative games like Her Story, it’s absolutely worth trying.
Short game of deduction. Probably about 4 hours if you're very goal-focused, 6-ish if you explore more. Very reminiscent of the work of Sam Barlow (Her Story, Telling Lies, Immortality), so if you liked any of those, you will probably like this. I enjoyed it a lot!
Another gem from inkle
A really neat kind of puzzle that asks you to think in layers. You're trying to both logically think about names and dates, and also narratively think about how events tie together, while unraveling a fascinating story behind it all. I've played a lot of puzzle games and I don't think I've played one quite like this. I absolutely recommend avoiding walkthroughs or spoilers; it would really defeat the purpose of playing the game at all. You have an in-game notebook that keeps track of your progress, but depending on how invested you want to get, I'd say it's worth it to keep your own notebook; the game's notes don't quite connect everything that you might be able to piece together in your mind until you make a definitive connection. Hard to explain without giving too much away, but you'll see. Don't worry too much about time - I promise you are given everything you need to follow the trail and get to the end. For 7 bucks, I'd call it at least a 9/10, only reason I'm hesitant to go 10/10 is I wish it was a little longer. That said, at 2.9 hours I've only completed the mainline necessary to get an end screen. I do plan on 100%ing it so maybe I'll feel differently after I piece it all together and see another ending!
Cheap and interesting sci-fi story. But you have to like puzzles and reading or use a guide. What you see is what you get.
The inspiration from Type Help (aka The Incident at Galley House) is most obvious, in that it is a game where you need to interact with a machine holding a broad story and can only expose small chunks of the narrative through noticing important details in the sections that you've already seen. I appreciate that this game is a little less linear than its inspiration whose full interface has a bit more subtlety, which makes the environment feel much more open. Like Type Help, it takes a big chance on the overall story, and I think it sticks the landing a little better (and much much better than Her Story, to give another game in the same specific genre). I got through my initial playthrough in about eight hours, so it passes the dollar per hour test even at full price. And I've got enough enthusiasm to play through the game again to finish up all of the achievements that I missed the first time through. If you're in a mood for interactive fiction where figuring out who you are and how the interface works is part of the story, then this is a fantastic way to scratch that itch.
excellent game! The story unfolds organically and I liked how nothing is really given. Clever code system
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.
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Trends
Concurrent players on Steam, sampled daily since tracking started.
Audience
Estimated from the language of this game's reviews — a proxy for where players are, not official Steam demographics.
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