This Book Is A Dungeon
Released Oct 2015
Auto-cannibalism. Demonic Seduction. Occult Rituals. Bloodfeasting Worms. This dark, horrific Twine-based dungeon crawler pairs edgy interactive fiction with grisly pixel art and light RPG elements. Navigate this sprawling narrative-driven labyrinth bristling with otherworldly doom.
72% positive · 296 reviews
Done
All announced content has been released
High confidence
Done
All announced content has been released
High confidence
Where to buy
IndieGala Steam key Lowest $0.49 $4.99 −90% Green Man Gaming Steam key $0.50 $4.99 −90% Steam $0.79 $4.99 −84%
Prices in USD, as listed by each store.
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Evaluation
This Book Is A Dungeon launched on October 9, 2015 as a complete, self-contained interactive fiction experience. The store description describes a finished product with a defined feature set — multiple endings, puzzles, combat, and a bonus dev diary ebook — with no mention of planned post-launch content. There are no DLC listings of any kind.
Post-launch developer communication was minimal: a bug fix patch shipped on October 12, 2015 addressing minor issues and typos, and Steam Trading Cards were added on August 22, 2016. In the Trading Cards post, the developer mentioned he was now working in GameMaker Studio on future projects he was excited to share — but this referred to new, separate games rather than additional content for This Book Is A Dungeon. There have been no developer posts of any kind since August 2016, and no content updates, expansions, or announcements have ever been made for this title.
The game was created as a deliberate experiment in interactive fiction and launched as a finished narrative product. It shipped complete and has received no post-launch content additions in its entire history on Steam.
Evidence
Steam Trading Cards added. Developer mentions moving on to new projects in GameMaker Studio, framing future work as separate games rather than content for This Book Is A Dungeon. This is the last official communication from the developer.
Store description presents the game as a complete, self-contained horror adventure with a fixed feature set and a bonus dev diary ebook. No mention of planned updates or future content.
Media
Details
Developer
Publisher
Plug In Digital
Achievements
—
Platform
Windows
Controller
—
Steam Deck
Not rated
Players
Single-player
About this 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.
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!
This game is not for the squeamish or faint of heart.
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.
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!
Features:
- 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.
Are these done yet?
Last evaluated Jun 19, 2026
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