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Hidden Door

@hiddendoor.co
191 followers 23 following 484 posts

A worldbuilding platform for authors & creators. Manage your canon, invite audiences in, and engage fans through interactive transmedia stories. Human storytelling first.

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Hidden Door @hiddendoor.co · 29/09/2026
It's the update report for September 29, 2026! Chief among these fixes is "vampire characters will no longer be named 'The Vampire'" which is huge for us, tbh. Start creating worlds instantly at hiddendoor.co!
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Hidden Door @hiddendoor.co · 28/09/2026
Imagine your favorite Tudor-era political drama, set in the distant future. Now, reimagine it with vampires. Or an evil megacorporation in place of the monarchy. Or...
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Hidden Door @hiddendoor.co · 25/09/2026
Ready to create your world, instantly? Come to Hidden Door with an idea. Leave with a whole new world. Then remix it! Here's one world, four ways: the original idea, a gothic romance, magical realism, and a space western. When you're ready, visit hiddendoor.co to make your ideas real.
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Hidden Door @hiddendoor.co · 22/09/2026
Happy Hobbit Day! If you're reading this, go eat second breakfast. Here's the update report for September 22, 2026.
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Hidden Door @hiddendoor.co · 17/09/2026
Do you kill everything you touch? Wait, back up: do you kill every *plant* you touch? Then, hey, great news! Our new modifier card brings the delight of an idyllic garden and NONE of the guilt of being a plant murderer. Leave those windowsill herb pots at the store, where they can find a loving home
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Hidden Door @hiddendoor.co · 09/09/2026
Order up! Our newest modifier card is more satisfying than a 50% tip from a polite and reasonable 10-top. When you use the Restaurant modifier card, you might wind up in the weeds REAL fast.
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Hidden Door @hiddendoor.co · 02/09/2026
Happy PUMPKIN SPICE SEASON! Sure, the thermometer may read 80°F, but we saw Thanksgiving cards on the shelf last week, so that's how you know it's 🍁🍂 fall 🍂 🍁 To get you in the seasonal mood, here's a Pumpkin Spice modifier to bring cinnamon, nutmeg, and decorative gourds into your next story.
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Hidden Door @hiddendoor.co · 01/09/2026
Happy September 1st! Happy Library Card Signup Month! Happy Beyoncé's birthday week!
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Hidden Door @hiddendoor.co · 26/08/2026
There is something strange in your neighborhood! It's something weird! It does NOT look good! It's the Paranormal Investigation modifier card, which you can earn now!
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Hidden Door @hiddendoor.co · 26/08/2026
Because a few folks have asked since our co-working collab with @atproto.nyc last week, here's Everything You Need to Know About Getting Started with AT Protocol, courtesy @bnb.im !
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Hidden Door @hiddendoor.co · 25/08/2026
It's Tuesday! It's Update Report day! It's Banana Split Day, according to those "weird celebration and holiday" calendars! We live in an era of abundance!
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Reposted by Hidden Door
Sri @sri.xyz · 21/08/2026
Finally saw the hidden door at @hiddendoor.co
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Hidden Door @hiddendoor.co · 19/08/2026
One time at a 2015 open mic in Phoenix, Arizona, a guy went up and used his full five minutes to make balloon animals. He never said a word. He started with a dog, it took him maybe 40 seconds, and handed it to someone in the audience. Then he just made things as people shouted out suggestions.
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Hidden Door @hiddendoor.co · 18/08/2026
It's the update report for August 18, 2026! We took the zombies out of the places zombies don't belong.
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Hidden Door @hiddendoor.co · 14/08/2026
Normally we don't do this, but since it's a special occasion...we'll tell you what the Daily Remixes are for this weekend!
Yellow background poster reading 'BOOKSTORE ROMANCE DAY (Aug 15)' with three narrator stickers and a preview of three daily remixes at hiddendoor.coFriday, August 14, the remix is for Mad for Matcha: Alice in Wonderland base world, Modern Romance and Coffeeshop AU modifier cards at hiddendoor.co
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Hidden Door @hiddendoor.co · 12/08/2026
GAME ON. Our newest modifier card unlocks an arcade cabinet of curiosities. Feed a snake! Take on hand-to-hand stick figure combat! Dig underground and defeat enemies! Unlock the Arcade modifier card by using the Midway Madness modifier in any world.
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Hidden Door @hiddendoor.co · 11/08/2026
Features AND fixes? In THIS economy??? Well, that's what you get with the Update Report! Today is August 11, 2026, and here's what we've changed in the last week.
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Hidden Door @hiddendoor.co · 05/08/2026
For fans of Yellowjackets, Lost, The 100, The Troop, Jeff Probst's whole deal, every scene with TJ in The God of the Woods, Gilligan's Island, and camping in inclement weather: the WILDERNESS SURVIVAL modifier card. Following an accident, you're trapped far from civilization.
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Hidden Door @hiddendoor.co · 04/08/2026
It's the Update Report for August 4, 2026, which is NATIONAL CHOCOLATE CHIP COOKIE DAY. Now, it seems to be "national" chocolate chip cookie day in...several countries? So, no matter where you are in the world, there's a chance you can get FREE cookies today. GODSPEED! Also look we updated the game
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Hidden Door @hiddendoor.co · 02/08/2026
OOP. We got postcarded. The Hidden Lair is now occupied by a seismosaur AND three allosaurs, courtesy of St. Remedius Medical College and @kyloboomhauer.bsky.social. Thank you for entrusting us with these ancient beasts 🫡
A postcard with the image "Seismosaur with Three Allosaurs," © 1986 by Doug Henderson in cooperation with David Gillette. Description from opposite side: The 40-foot long Allosaurs were among the largest Jurassic predators, but they were dwarfed by the largest plant-eater, the 120-foot long Seismosaur, discovered in 1986. Allosaurs may have hunted in packs, but would they have attacked a Seismosaur?A postcard featuring Seismosaur with Three Allosaurs by Doug Henderson in cooperation with David Gillette. 

Sent to Hidden Door on July 28, 2026. "Greetings from the Postcard Liberation Front, courtesy of St. Remedius Medical College," says the handwritten message. "Although the College is no more, its spirit lives on through this card. Please inflate before deployment. stremedius.com"
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Hidden Door @hiddendoor.co · 29/07/2026
When you use the Dream Logic modifier card, everything just makes SENSE. Arm-wrestle your crush in an inflatable pool full of jam, then watch as they get turned into a lizard! To unlock this modifier card, sleep in any world (or discuss dreaming, or say you need a nap). Go honk shooo some mimimis!
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Hidden Door @hiddendoor.co · 28/07/2026
The Update Report for July 28, 2026 is HERE! Huuuuuuge day for talking-animal-enjoyers...because we added new species archetype tools, AND we're celebrating a couple of special birthdays. Here, see what's new!
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Hidden Door @hiddendoor.co · 22/07/2026
It's a modifier card of epic proportions! Up the intensity of every story element. Make every moment into a spectacle. And did we mention explosions? Earn Amped Up by 11 by using the Action Hero modifier card in any story (it's in your starter deck and a GREAT intro to our cinematic modifier cards).
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Hidden Door @hiddendoor.co · 21/07/2026
Here's the update report for NATIONAL JUNK FOOD* DAY, which happens to be today, July 21!  (*While "national" junk food day is a US-centric designation, we encourage everyone everywhere to eat chips today. Whatever "chips" means to you. It's correct.)
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Hidden Door @hiddendoor.co · 18/07/2026
it's the weekend and both our co-founders are out of town...we're posting HIDDEN DOOR OUT OF CONTEXT MEGAMIX. (ft. a sticker from the wonderful Canadian brand Maobabie; multiple HD team members have affixed it to their laptops)
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Hidden Door @hiddendoor.co · 15/07/2026
Step right up, try your luck! These minigames ARE NOT rigged, we swear. The Midway Madness modifier card grants you a new set of carnival-themed minigames you won't find anywhere else. Play an unlocked minigame in any world to earn this deep-fried modifier, then win some midway games to earn prizes!
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Hidden Door @hiddendoor.co · 14/07/2026
It's the update report for July 14, 2026! Featuring a LOT of little bug fixes, and some new minigames you can encounter next time you play!
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Hidden Door @hiddendoor.co · 12/07/2026
In the latest episode of Founders & Empanadas, our co-founder and CEO Hilary Mason discusses when and how to align your business model with your principles (hint: it's day one!). Check out the full episode: www.youtube.com/watch?v=n61e8FqaJDg…
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Hidden Door @hiddendoor.co · 11/07/2026
If you ever had a "Neopets dailies" bookmark on your browser, then our new Daily Remix challenge is for you. Start playing today, build your streak, and unlock exclusive modifier cards:
hiddendoor.co
Blog | Introducing daily remixes + Atlas studio on mobile · Hidden Door
Hello, dear players! Time for a quick update on two new, fancy, beautiful functionalities here at Hidden Door. If you’ve played in the last week or so, you might have already encountered this first one! Up for a challenge? When you visit our Play la
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Hidden Door @hiddendoor.co · 08/07/2026
This modifier card is the genuine article! Transport your next story to America in the 1920s! Bring bathtub gin and dapper daddies into any playable world. Unlock it by completing two stories in The Land of Oz. Then, ALL your stories can be the bee's knees!
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Hidden Door @hiddendoor.co · 02/07/2026
Fans of Dexter, true crime, Hannibal: the SERIAL KILLER MODIFIER CARD is here. Become a cold-blooded killer on the hunt. Make your first kill. Then kill again. And don't get caught. Earn this card when you kill a character in any story...or when a character *conveniently* dies of natural causes.
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Hidden Door @hiddendoor.co · 30/06/2026
To wrap up pride month, we’re turning our blog and social over to a queer creative we admire: Jade Bronté!  Jade is a multidisciplinary artist whose wide range of talents are only surpassed by her magnificent imagination.
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Hidden Door @hiddendoor.co · 26/06/2026
It’s not too late to buy books and get FREE SHIPPING! We put all our pride picks in one handy wishlist, and if you buy them via this link, you can support The Nonbinarian: 
bookshop.org
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Hidden Door @hiddendoor.co · 26/06/2026
Rourke’s back, this time with yuri manga reccs! If any of these pique your interest, you can buy the first volumes from our Bookshop link to support The Nonbinarian:
bookshop.org
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Hidden Door @hiddendoor.co · 26/06/2026
We're are back with more reading suggestions for the last day of Bookshop’s anti-Prime-day promo! Buy from Bookshop.org before EOD on June 26 for free standard shipping. (& order from our link to support The Nonbinarian!):  bookshop.org/wishlists/c8c4ac744b64…
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Hidden Door @hiddendoor.co · 25/06/2026
Our new Sports Tournament modifier card is inspired by the World Cup, the Olympics, the World Baseball Classic, and anyone who made a pilgrimage to cheer for the Knicks in the NBA finals. You're in the host city for a major sports tournament.
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Hidden Door @hiddendoor.co · 25/06/2026
Time for another thread of books featured in our pride reading guide! Remember, shop the full wishlist via our Bookshop link to support The Nonbinarian:  bookshop.org/wishlists/c8c4ac744b64… Next up are Hilary’s picks!
bookshop.org
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Hidden Door @hiddendoor.co · 25/06/2026
HOW IS YOUR TBR PILE? Looking for some new books to read? Well!  In honor of pride month, our team has put together a list of queer book reccs. And when you buy our faves from Bookshop.org during their anti-Prime-day sale, you'll get FREE SHIPPING (through the 26th)!
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Hidden Door @hiddendoor.co · 23/06/2026
It's the update report for June 23! THAT'S TODAY. Here's what we've changed in the last week, including a clown modifier (COLLECTABLE), an avatar builder (PLAYABLE), and some bugs (WE KILLED THEM).
*The Earnable Cards header now correctly counts earned canon cards! *Fixed an error where the Narrator was occasionally “speaking” other languages at random! *Card text auto-sizing no longer breaks after quickly opening and closing cards! *The Atlas World Card title now always matches the catalog listing name! *The editorial wizard no longer fails entirely if one archetype in a response is malformed! It will keep the valid archetypes and drop the broken one. PLUS Happy birthday* to Tim Burton's Batman and Washington Irving's Rip Van Winkle (different years). *publication/release date*The Clownmania modifier card is live! 
SEND IN THE CLOWNS!

*Trending creator worlds are now pinned at the top of the discover catalog, with a badge!

*The rest of the world catalog is shuffled each visit, making it easy to discover new worlds!

*The "Show Mature Worlds" preference is now available in your account settings and stays in sync with the catalog toggle across both places!

*Atlas creators, you can now add “how they talk" notes to NPCs, and guide how they speak in dialogue!

*On world pages, your author credits now link to creator landing pages (with a hover preview), so players can discover your other worlds from anything you publish!

*You can now customize a profile picture using our avatar faces, outfits, tones, and background colors! Create it from your Public Profile tab :)
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Hidden Door @hiddendoor.co · 23/06/2026
Claude is down. Play Hidden Door instead. Your boss can't be mad at you
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Hidden Door @hiddendoor.co · 19/06/2026
Knock knock. Who's there? Pub! Pub who? PUBLIC PROFILE PAGES! If you're a creator, you can now claim your custom URL + personalize your landing page. Here's how to do it, in four easy steps, with examples + annotations!
hiddendoor.co
Blog | Creators, greet your adoring public · Hidden Door
Hey, creators. Knock knock. Who's there? Pub! Pub who? PUBLIC PROFILE PAGES! If you're a community creator, you can now set up your public profile with a custom username, a bio, links to your web presence and other creative projects, and a grid of yo
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Hidden Door @hiddendoor.co · 18/06/2026
*Hugh Jackman voice* This is the greatest SHOW! It's everything you ever waaaaaaant. It's everything you ever NEEEEED! Wait, is Greatest Showman still cool? Should we have made a reference to The Amazing Digital Circus instead??? Ahhhhhh!
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Hidden Door @hiddendoor.co · 16/06/2026
Yippee! It’s the Update Report for June 16, 2026. This week, we’ve made a lot of improvements to avatar customization, character naming, and PROFILE PAGES. What!
June 16, 2026 update report features:
*CREATOR PROFILE PAGES ARE LIVE! Creators, set up your public profile with a bio, links, banner, and a grid of your published worlds, all editable from your account settings. Claim your username now!

*Fan + Creator subscribers can now type any custom character name during character creation!

*The Atlas avatar picker shows assets from all genres! 
Out-of-genre options appear under "more options."

*When you finish building a world in the Atlas studio, you’ll see confetti, a “congrats!” note, and clear next steps.

*A new Preferences tab in Account Settings lets you manage your Quick Reveal preference from anywhere!

*Characters who reach zero energy now display a 
manga-style KO mark over their portrait!

*Card detail views open a slide-out tray with descriptions and backstories everywhere on the site, not just in-game!

*Site navigation is consistent with a unified header! The “play” page holds your own worlds and moments, and 
a “discover” page lets you browse the catalog.June 16 2026 update report fixes: *Location previews now correctly show location art!

*Restored a formatting gap on the Lore & Physics 
tab in the Atlas studio!

*Fixed a bug where player actions could target NPCs who had already left the scene!

*The end-of-scene objective banner now shows your final objective, not the one from the start of the scene!

*Strengthened pronoun fidelity: characters no longer have they/them pronouns incorrectly rewritten to 
binary pronouns during narration!

*Held items now move with their holder between locations, instead of floating in a phantom ether space! 

PLUS:
It's Bloomsday! 
The James Joyce novel Ulysses 
takes place entirely on 
June 16, 1904.
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Hidden Door @hiddendoor.co · 14/06/2026
Inside you, there are two wolves. They both want to play Wolflands, today's community-created world! This world from @bmchorse.com brings you into the wilderness. For fans of the Warriors series or Firebringer, this world celebrates the intelligence and possibility of wolf societies.
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Hidden Door @hiddendoor.co · 12/06/2026
It's the weekend. Ready to explore? Today's creator spotlight is @leilasalesbooks.bsky.social, author of The Museum of Lost and Found. This novel is now a playable world! You'll play as a misfit curator of a museum for rebels and runaways.
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Hidden Door @hiddendoor.co · 11/06/2026
It's another Minor Enchantment from Hidden Door! It turns out that small, thoughtful upgrades to the player experience make a big difference. WHO KNEW???  (We knew. We knew and we're SPREADING THE WORD!)
hiddendoor.co
Blog | Minor Enchantment: Pointing Things Out · Hidden Door
Look who’s back: Chris Wallace, with another Minor Enchantment! These are brief dispatches about changes to our product experience that are teeny-tiny…or ARE THEY?! The web can be an assault on the senses. And, so long as you opt into it, having your
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Hidden Door @hiddendoor.co · 10/06/2026
We cannot make you a throne of hot dogs. But now, everyone can be the champion of an eating contest with our newest modifier card! Just be careful where you use it. The term "local delicacy" means something different when you're playing in our Dracula world.
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Hidden Door @hiddendoor.co · 09/06/2026
Happy Features & Fixes day and also Forklift Safety Day! Here's the Update Report for June 9, 2026, with YET ANOTHER cryptic allusion to a new feature! 😎
June 9, 2026, update report. Features:

*INTERNATIONAL PLAYERS CAN NOW SUBSCRIBE! Non-US checkouts will be routed through Stripe Managed Payments to handle international tax and compliance automatically. International players, you can start building with Atlas now! 

*The "Jump the Shark" modifier is live! Players can earn it by completing 3+ stories in a world! 

*Scene endings are now much faster! The final turn of a scene now returns in ~8 seconds (!!!) with a "Select Next Scene" button!

*Genre-based achievements recognize community-built worlds. Now, playing creator-made worlds counts toward your Horror, Fantasy, Sci-Fi, and other accomplishments!

*Atlas creator docs and the help FAQ have been updated! No more placeholder text!

*In the Atlas studio, the Vision tab now has a welcome blurb, guidance, a readiness checklist, and a "Ready to Review" button that unlocks once all required fields are filled!

*We improved how creator-authored character traits flow into stories’ narrative context!

*We improved content policy refusals in the Atlas wizard, so creators will know if something is sent to review for trust-and-safety guidelines.

*Multiple minigames can now be assigned to the same verb trigger! This means nothing to you…YET!

June 9, 2026 update report. Bug Fixes:

*Fixed a bug that was causing a permanent loading spinner instead of displaying your options!

*Fixed a bug where canon character portraits (like Dracula) were being given generic avatars!

*Fixed inflected verbs like "sprinting" being incorrectly flagged as unknown words when the base verb ("sprint") is in the knowledge database!

*Fixed a character's name being incorrectly converted to "you" when used in dialogue by another character! 

*Fixed Atlas origin expansion sometimes generating variables for dead characters who the protagonist will never encounter! No more haunted games!

PLUS: The second Tuesday in June is 
Forklift Safety Day! Go get (or renew) your forklift operator certification! 
We believe in you!
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Hidden Door @hiddendoor.co · 08/06/2026
Soon. SOON. SOOOOOOOOONNNNNNNNNN! (If y'all get any leads on that missing tuna, please let us know) 🌔🐟🧠
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Hidden Door @hiddendoor.co · 05/06/2026
Good news going into the weekend: we now welcome subscribers from anywhere in the world! If you're ready to build with our Atlas studio, visit hiddendoor.co/create to get started right now.
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