Runs on Windows
Windows Runs on Windows
Runs on MAC
Runs on Linux
Play on XBOX 360
Play on Wii U
Play on XBOX ONE
Play on Series X|S
Play on PS3
Play on PS4
HTC Vive Support
Oculus Rift Support
Windows Mixed Reality Support

Released | Developed by | Published by Black Shell Media
Single Player Single Player
Multi-Player
Cross-Platform Multiplayer
Co-Op
Local Co-Op
Downloadable Content
In-App Purchases
Partial Controller Support
Full Controller Support
Achievements
Steam Trading Cards Steam Trading Cards
VR Support
Steam Workshop
Cloud Saves
Stats
Valve Anti-Cheat Enabled
Steam Leaderboards
Includes Level Editor
Commentary Available
Captions Available
Action
Adventure Adventure
Fighting
Hidden Object
Horror Horror
Family Friendly
Platformer
Puzzle
Racing
Retro
RPG
Shooter
Simulation
Sports
Strategy
Antivirus and Security
Animation & Modeling
Audio Production
Languages
Photo Editing
Reference
Typing
Video Editing
Video Production
Utilities
Educational
Game Development
Design and Illustration
Business and Office
Operating System
Includes Soundtrack
Includes Manual
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The content of games with a PEGI 3 rating is considered suitable for all age groups. The game should not contain any sounds or pictures that are likely to frighten young children. A very mild form of violence (in a comical context or a childlike setting) is acceptable. No bad language should be heard.
Video games that show violence of a slightly more graphic nature towards fantasy characters or non-realistic violence towards human-like characters would fall in this age category. Sexual innuendo or sexual posturing can be present, while any bad language in this category must be mild. Gambling as it is normally carried out in real life in casinos or gambling halls can also be present (e.g. card games that in real life would be played for money).
Game content with scenes or sounds that can possibly be frightening to younger children should fall in this category. Very mild forms of violence (implied, non-detailed, or non-realistic violence) are acceptable for a game with a PEGI 7 rating.
This rating is applied once the depiction of violence (or sexual activity) reaches a stage that looks the same as would be expected in real life. The use of bad language in games with a PEGI 16 rating can be more extreme, while games of chance, and the use of tobacco, alcohol or illegal drugs can also be present.
The adult classification is applied when the level of violence reaches a stage where it becomes a depiction of gross violence, apparently motiveless killing, or violence towards defenceless characters. The glamorisation of the use of illegal drugs and explicit sexual activity should also fall into this age category.
A U film should be suitable for audiences aged four years and over, although it is impossible to predict what might upset any particular child. U films should be set within a positive framework and should offer reassuring counterbalances to any violence, threat or horror. If a work is particularly suitable for pre-school children, this will be indicated in the BBFCinsight.
General viewing, but some scenes may be unsuitable for young children. A PG film should not unsettle a child aged around eight or older. Unaccompanied children of any age may watch, but parents are advised to consider whether the content may upset younger, or more sensitive, children.
Films classified 12A and video works classified 12 contain material that is not generally suitable for children aged under 12. No one younger than 12 may see a 12A film in a cinema unless accompanied by an adult. Adults planning to take a child under 12 to view a 12A film should consider whether the film is suitable for that child. To help them decide, we recommend that they check the BBFCinsight for that film in advance. No one younger than 12 may rent or buy a 12 rated video work.
No one younger than 15 may rent or buy a 15 rated video work.
No one younger than 18 may rent or buy an 18 rated video work. Adults should be free to choose their own entertainment.
Steam key will be sent to your email address and can be redeemed to download the full game.



Auto-cannibalism. Demonic Seduction. Occult Rituals. Bloodfeasting Worms. This Book Is A Dungeon has it all and more. This dark, horrific Twine-based dungeon crawler pairs edgy interactive fiction with grisly pixel art and light RPG elements. Prepare to be disturbed, titillated, and savaged by unholy denizens aplenty in your quest to navigate this sprawling narrative-driven labyrinth bristling with otherworldly doom.

WARNING: THIS GAME WILL KILL YOU. OFTEN.

Part of the intended challenge is in experimenting to see where different paths and choices lead you. It's impossible to experience all of the content in a single runthrough. Experiment, be bold, and uncover your fate, wherever it may lead! 

  • Experience a grim story-driven horror adventure
  • Solve cryptic and disturbing puzzles
  • Die in dozens of horrible ways
  • Enjoy light RPG elements, including combat and inventory
  • Discover multiple endings
  • BONUS: 40,000 word game dev diary
This game is not for the squeamish or faint of heart.

BONUS GAME DEV DIARY EBOOK

This Book Is A Dungeon was originally created as an interactive fiction and self-publishing experiment. It was initially launched as a game inside a Kindle book that served as a developer diary documenting the entire process for creating the game from start to finish. As part of the Steam Edition, you can access a free download link for a PDF version of the dev diary within the main menu.

“[For an interactive text adventure, This Book Is A Dungeon succeeds very well and makes us feel as though we are in the story, immersing us in its fear and horror.]”
IGN Greece

“Nathan Meunier has created a dungeon crawler horror game filled with HP Lovecraft-inspired monsters and puzzles…[TBIAD] also creates detailed, horrific scenarios, both physically and mentally.”
Indie Game Magazine

“Surprisingly cohesive, and striking in its resemblance to older Dungeons and Dragons campaigns, albeit with a fairly thick Lovecraftian polish. It captures a desperate tone by offering numerous ways to die. It’s charming, occasionally trippy, and gruesome throughout.”
Paste Magazine

  • OS: Windows XP Service Pack 2+ 
  • Processor: Intel Pentium 4 or later 
  • Memory: 512 MB RAM MB RAM

1. Go to http://store.steampowered.com/ and download the STEAM client.

2. Click "Install Steam Now"

 
3. Launch Steam and login to your account (create one if you havn't already).
 
4. Then go to 'Games' and click 'Activate a Product on Steam'.

5. Enter the key that we sent you in the email. 

5. Congratulations the game has now been added to your account and can be installed/launched from your games library. 

 If you're still struggling to find where to redeem the key please watch the following video.