# www.hiddendoor.co

> AI-optimized mirror of www.hiddendoor.co containing 51 pages totalling 20,895 words of clean markdown content, structured data, and semantic HTML. Original source: https://www.hiddendoor.co/. Last updated: 2026-04-26T19:20:08.510Z.

Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG).

## Homepage

- [site-root.html](/site-root.html) (1 words)

## Articles & Blog Posts

- [Nim](/title/burn_rate/index.html): A dark comedy set in San Francisco's startup ecosystem. (400 words)
- [title/oz/index.html](/title/oz/index.html) (1 words)
- [title/oz_uni/index.html](/title/oz_uni/index.html) (1 words)
- [title/dracula/index.html](/title/dracula/index.html) (1 words)
- [The Crow](/title/crow/index.html): Resurrected by death itself. One night to avenge what was taken from you. (384 words)
- [blog/product-ama/index.html](/blog/product-ama/index.html) (1 words)
- [blog/ama-with-mark-riedl/index.html](/blog/ama-with-mark-riedl/index.html) (1 words)
- [blog/ama-with-leila-sales/index.html](/blog/ama-with-leila-sales/index.html) (1 words)
- [blog/favorite-bugs-fixes-january-2026-product-changes/index.html](/blog/favorite-bugs-fixes-january-2026-product-changes/index.html) (1 words)
- [Goodbye 2025, Hello 2026!](/blog/new-year-goodbye-2025-hello-2026/index.html): Happy New Year! 🥳
Okay, time is fake, but the last 12 months sure have been busy!
From our team here to you, our community, we hope you've had a joyful, restful and restorative end to 2025, and are entering 2026 filled with optimism.
To wrap up the  (789 words)
- [blog/modifier-cards-starter-deck-explainer/index.html](/blog/modifier-cards-starter-deck-explainer/index.html) (1 words)
- [blog/gdc-schedule-highlights-game-developers-conference-festival.html](/blog/gdc-schedule-highlights-game-developers-conference-festival.html) (1 words)
- [Dr. John Watson](/title/sherlock/index.html): Your first case. A stolen gem. A Christmas goose. Prove yourself to the world's greatest detective. (506 words)
- [Saturn's Children](/title/saturns_children/index.html): Humanity is extinct. The androids remain. Welcome to the solar system's strangest job market. (874 words)
- [Mapping Genres by Language Usage](/blog/genre-mapping/index.html): We work with a lot of words here at Hidden Door. Making worlds out of words is... kind of our thing. So naturally, the sort of product we’re building requires an excellent grasp of language, from both the reader's and writer's perspective. From early (997 words)
- [World Wide Web + Wild Wild West](/blog/burn-rate-startup-parody-spaghetti-western-modifier-card.html): Hi! We’re not home right now. We’re at GDC, the Festival of Gaming, in San Francisco, California. Maybe you remember us mentioning it in a previous blog post!
We ARE traveling, and yet, in the last week, we’ve launched a new playable world and a bran (683 words)
- [Worlds with Friends](/blog/worlds-with-friends/index.html): Hello and Happy New Year! We’re building something new at the intersection of narrative creativity, online social gaming, and AI. Here's an update on our progress and why we’re so excited for what’s next.
The Future of Play
The world changed in 2020. (982 words)
- [Character and costume design at Hidden Door](/blog/art-system-character-outfit-design-behind-the-scenes.html): Last week, you heard from Brianna McHorse, our engineering manager, about our art systems. Specifically, she told you about the way our game’s engines layer and combine human-made art assets to create a limitless set of character looks and let you cu (695 words)
- [Sherlock Holmes, A Christmas Carol & a poem for you](/blog/holiday-content-sherlock-holmes-christmas-carol/index.html): A Poem from Hidden Door
Tis the day after Christmas, and all through this month,
We’ve launched lots of new things, which...Hmm.
Does anything rhyme with month?
Crap. Hold on.
...Okay! Ready. Ahem ahem ahem.
A RHYMING Poem from Hidden Door
Tis the da (698 words)
- [Two new launches AND two upcoming conferences?](/blog/hidden-realms-tavern-door-courtship-frost/index.html): We’ve had QUITE A WEEK here at the lair. In case you missed it, we launched TWO brand new playable worlds! Tell a heroic fantasy story in The Tavern Door, then unspool a magical romance in A Courtship of Frost. All this while preparing for upcoming c (624 words)
- [Character Sheets with AI?!](/blog/ai-character-sheets/index.html): The Hidden Door team recently met up in-person for our quarterly IRL retreat – meeting new team members, product planning, brand conversations, cake (!) and games were all on the agenda. One of the big treats of the week was our Game Director, Chris  (711 words)
- [We made a social network!](/blog/social-moment-sharing-announcement/index.html): 🚨 WEEWOO WEEWOO🚨
(NEW FEATURE ALERT!)
Great news! You can now share moments from your stories using our social share feature!

As you’re spinning your tale of romantic Regency intrigue, or plotting revenge against a treacherous foe, you can now sel (506 words)
- [3 things you didn't know about Saturn’s Children](/blog/saturns-children-charles-stross-sci-fi-world/index.html): 
Have you had a chance to play our newest sci-fi launch, Saturn’s Children? In this world, based on the 2008 novel by Charles Stross, you’ll traverse galaxies, engage in espionage and fight for liberty in a cutthroat class war.
Maybe you’re already a (575 words)
- [Five Great Story Games](/blog/five-great-story-games/index.html): Games have the ability to tell some of the most captivating and emotional stories, immersing players in worlds filled with characters that they come to care about. Whether you're a fan of action-adventure, puzzle-solving, or farming simulators, there (408 words)
- [Introducing Early Access](/blog/early-access/index.html): We love stories! Books, movies, TV shows, comics, games: we love them all. But the thing about them is, well, they end—and when it’s over, it’s over. But what if you want to hold onto the magical feeling of that world? That experience of reliving the (424 words)
- [How does ChatGPT really work?](/blog/how-does-chatgpt-really-work/index.html): How does ChatGPT work, really?
It can feel like a wizard behind a curtain, or like a drunk friend, but ChatGPT is just… math. Let’s talk about how to think about Large Language Models (LLMs) like ChatGPT so you can understand what to expect from them (576 words)
- [It’s New York Tech Week in Brooklyn!](/blog/tech-week-2024/index.html): 
It's nearly summer in the city, and AI is in the air.
With New York Tech Week coming up, you'll find Manhattan offers no shortage of A(G)I events, mixers, and – apparently – party boats. In a world of AI hype, stay in Brooklyn to meet with pragmatic (302 words)
- [A Call to Adventure](/blog/announcing-series-seed/index.html): 
When you encounter a fictional world you love – from a book, movie, show, or even just a vague idea – you can’t help imagining… what if you were there? Who would you be, who would you meet, what would you explore? How might you and your friends buil (332 words)
- [Aliens, androids, and mind links!](/blog/scifi-nov-2025/index.html): Explore three new science fiction worlds from acclaimed authors Alan Dean Foster, Ramez Naam, and Charles Stross! Each is a doorway to a different future - from mind-linked revolutionaries to lonely androids to wisecracking aliens.

Coming this month (241 words)
- [Pride & Prejudice](/title/pnp/index.html): 19th century England. Marriage, manners, and free spirits navigating scandal and society. (56 words)
- [help/privacy/index.html](/help/privacy/index.html) (1 words)
- [help/terms/index.html](/help/terms/index.html) (1 words)
- [Now Playing: Dracula](/blog/meet-dracula/index.html): It’s that time of year when stories get darker, castles get draftier, and something might just be lurking behind the door. Hidden Door is celebrating Halloween with new content that lets you bring horror — or a little mischief — into your favorite wo (240 words)
- [Now Playing: Big Fan](/blog/big-fan/index.html): A new romantic fiction world based on Big Fan is now available on Hidden Door!
This world is rooted in the novels by Alexandra Romanoff from 831 Stories, a romantic fiction company. You'll create your own characters and have the chance to romance you (171 words)
- [Press kit](/press/index.html): An immersive story game where roleplay meets fan fiction. Create characters and stories where you can do anything, to change everything. (664 words)
- [Now Playing: The Crow](/blog/now-playing-the-crow/index.html): We’re pleased to launch an incredible origin story in the world of The Crow, in collaboration with Pressman Film. Play it now!

This experience, based on the graphic novels, puts you in the role of your own risen hero, where you find yourself waking  (178 words)
- [blog/magic-narrative-story-beats-romantasy-playable-story-game.html](/blog/magic-narrative-story-beats-romantasy-playable-story-game.html) (1 words)
- [worlds/crow/index.html](/worlds/crow/index.html) (1 words)
- [How the Hidden Door Humans Make Characters](/blog/art-system-characters-behind-the-scenes/index.html): TLDR:
We use hand-drawn layers by incredible artists in a paperdoll system that’s dynamically assembled with vector embeddings, which allows us to create the best possible avatar for a character that’s never been described before; you can put in “bar (1,255 words)
- [Frequently Asked Questions](/help/faq/index.html): An immersive story game where roleplay meets fan fiction. Create characters and stories where you can do anything, to change everything. (1,138 words)
- [Location art design at Hidden Door](/blog/location-art-design-inspiration-process/index.html): As Art Director for Hidden Door, I helped solve several refreshingly unique visual challenges. One of my favorites was driving the look of the location art for our cards alongside the brilliant freelance illustrator and designer Harrison Gerard. It w (875 words)
- [March Modifier Madness: Film Festival and Sports](/blog/sports-film-festival-modifier-cards-march-madness/index.html): Hello! We launched two new modifier cards last week. Very us, right? This time, it’s the Film Festival modifier, and the Sports modifier. We know you are smart and can use context clues to figure out what those are, but…we like talking! Oh, and we ha (649 words)
- [Hidden Door blog](/blog/index.html): An immersive story game where roleplay meets fan fiction. Create characters and stories where you can do anything, to change everything. (327 words)
- [Can a machine run your tabletop RPG?](/blog/can-a-machine-run-your-ttrpg/index.html): If you've ever played a tabletop roleplaying game (RPG) like Dungeons & Dragons, you know what a game master (GM) is. For the uninitiated, a GM creates the story and moderates the game for the rest of the players. They play a critical role (🫣) in a  (801 words)
- [Roleplay meets Fanfiction](/about/index.html): An immersive story game where roleplay meets fan fiction. Create characters and stories where you can do anything, to change everything. (159 words)
- [Who do you love?](/blog/who-do-you-love/index.html): Today we’re excited to introduce the ability to inspire the NPCs in your stories ✨
One consistent bit of feedback across playtests is that we all want some influence over who ends up in a significant role in our stories — whether it’s a love interest (256 words)
- [Open Positions](/jobs/index.html): An immersive story game where roleplay meets fan fiction. Create characters and stories where you can do anything, to change everything. (101 words)
- [Let's create the future of fandom, together.](/partners/index.html): An immersive story game where roleplay meets fan fiction. Create characters and stories where you can do anything, to change everything. (151 words)
- [Sherlock Holmes: The Blue Carbuncle](/explore/index.html): Create your own moments in worlds you love! (35 words)
- [Procedural Narrative: An Introduction](/blog/procedural-narrative-introduction-what-is-procgen-gaming.html): This is the first in a series of posts explaining how our narrative systems work. As I (Rourke, narrative systems designer here at Hidden Door) was outlining what the series would look like I realized there are terms and concepts that need to be defi (2,118 words)

## Resources

- [Full Page Index](/index.html): Browse all cached pages with rich metadata
- [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines
- [XML Sitemap](/content/sitemap.xml): Machine-readable sitemap for crawler discovery
- [Robots.txt](/content/robots.txt): Crawler directives