Hidden Door Cost: What's Free and What You Pay For
The short answer on Hidden Door cost is that the part most people want is free: as of September 2026 Hidden Door’s own pricing page offers unlimited stories and unlimited turns per day at no charge, capped not by how much you play but by how many worlds you play in — five from the catalog — and by one character conversation a day. The paid plan, Atlas, lifts those caps and lets you publish worlds. What the public pricing page does not show is a number for Atlas: the plan card offers a Monthly / Annual toggle, and no price rendered on the page for us to quote when we read it in September 2026.
That combination is unusual enough to be worth spelling out, because it changes what “cost” even means here. Most narrative AI tools ration the thing you do most — the turn. Hidden Door does not. Their FAQ answers the question directly:
“Do you use a pay-per-turn model? No! You’ll never be interrupted mid-story with an annoying paywall.”
What the free Hidden Door plan includes
Taken from Hidden Door’s pricing page as of September 2026, in their own listing order. This is dated on purpose — pricing pages move, and this one is partly client-rendered, so check it yourself before you commit.
| What you get free | The limit |
|---|---|
| Stories and turns | Unlimited, every day |
| Worlds from the catalog | Up to 5 |
| Character side-conversations | One per day |
| Creating characters, items, locations | Included |
| Modifier cards to remix worlds | Included |
| Achievements | Included |
| Mature content | Included |
| Creating your own worlds | Included (free users can create up to 5) |
Two of those rows are the ones that decide whether you ever pay. The world cap, not the turn count, is Hidden Door’s meter. Their own FAQ draws the distinction: a world is a setting and cast — “like Dracula’s castle or Oz” — and a story is a sequential adventure inside one. You can play unlimited stories in each of five worlds for ever without paying. You start wanting Atlas when you want a sixth world, or unlimited private chats with a character, or to publish what you build.
The second row worth catching is what happens if you stop paying. Hidden Door states that your stories and progress remain yours, and that custom cards and stories stay in your account after a cancellation — you simply cannot create new ones until you resubscribe. That is a meaningfully gentler cancellation than a tool that locks your library.
Why the Atlas price is hard to quote
We read Hidden Door’s pricing page in September 2026 and the free plan’s contents were fully rendered, the FAQ was fully rendered, and the paid plan’s figure was not — the monthly and annual options appear, the amount did not. So rather than repeat a number from somewhere else and date it wrongly, here is what is actually established from their own copy:
- Atlas is the paid tier, and it is what lets you publish a world, publicly listed or unlisted by link.
- With a paid subscription there is no limit on how many worlds from the catalog you can play stories in.
- Unlimited character chat sessions come with a subscription; free is one a day.
- Monthly and annual billing both exist, and you can switch, with proration when you move from monthly to annual.
- Creators accepted into Hidden Door’s partnership program are given free access to Atlas, on the condition that they actually build a world for the catalog.
If you are budgeting, the honest step is to open the pricing page while signed in and read the figure off the plan card yourself. Anyone quoting you a Hidden Door subscription price from a third-party article — this one included — is quoting something they could not see on the public page.
Who should just stay on Hidden Door
Plenty of people, and it would be dishonest to write this any other way.
- You want to play, not to set anything up. The catalog is the product. Pick a world, pick modifier cards, go.
- You play a lot in a few settings. Unlimited turns with a five-world cap is close to the best free deal in this category, and if you have two or three worlds you love, the cap is invisible.
- You want to build worlds and be read. Publishing to a catalog where other people play what you made — and Hidden Door’s partnership program pays creators when others play their worlds — is something a private single-player tool structurally cannot offer.
- Fan-fiction energy is the point. Their own headline is “where role play meets fan fic”, and the catalog leans that way: remixing, crossovers, a duel of wits with Mr. Darcy in space.
If that is you, stop here. Nothing below is an argument that you are using the wrong thing.
When Hidden Door is the wrong shape
There is one reader Hidden Door does not serve, and it is a specific one: you just finished a particular novel, and you want to play in that book — not a world someone authored in its general direction.
Hidden Door’s worlds are hand-built, by the team or by creators, in “as little as 30 minutes” by their own description of world creation. That is a strength for range and a limit for fidelity: the world exists to the depth whoever built it went. If the book you want is not in the catalog, your options are to build it yourself from memory or to play something adjacent.
That gap is the job LLM RPG is built for. You upload the novel itself —
.txt or .epub — and it is read and turned into a searchable lore atlas
before you play, so the game master is answering from the book’s own text
rather than from a summary of its vibe. Then you play as your own character
inside it.
| Hidden Door | LLM RPG | |
|---|---|---|
| Where the world comes from | A catalog of authored worlds, plus ones you build | The novel you upload, read end to end |
| Turn allowance, free | Unlimited turns, up to 5 worlds | 5 turns with no account; 50 credits (about 50 turns) once you sign up |
| Paid price, published? | Not shown on the public pricing page | $9.00/month (Pro) and $29.00/month (Premium), on the pricing page |
| Metering | Worlds and chats, never per turn | 1 credit per turn on Free and Pro; 3 on Premium |
| Publishing what you make | Yes — public or unlisted, with a creator program | No — private play |
| Best for | Playing and sharing authored worlds | Playing one specific book faithfully |
Read that table as two different products rather than a scoreboard. Hidden Door optimises for breadth and community; LLM RPG optimises for one book’s accuracy.
What LLM RPG costs, for comparison
Since this article is about what things cost, ours should be as legible as we are asking Hidden Door’s to be. As of September 2026, from our own pricing page:
| Plan | Price | What it gives |
|---|---|---|
| Free | $0 | 5 turns with no account, then a one-time 50-credit welcome grant — about 50 turns — and up to 5 credits of extraction on any single book |
| Pro Monthly | $9.00 / month | About 1,000 turns a month, whole books, no per-novel cap, rollover to 2,000 credits |
| Premium Monthly | $29.00 / month | About 1,000 turns a month narrated by our best game-master model, rollover to 6,000 credits |
| Top-up | $5.00 once | 400 credits, no subscription, never expire |
Two things we do that are worth knowing before you upload anything. You are shown the exact price of a book before a single credit is spent on reading it, and failed turns and unfinished extractions are refunded automatically. The opening scene of a run is free on Free and Pro.
How to decide in five minutes
- Search the Hidden Door catalog for the world you want. If it is there and it is good, you are done — play it free, and the cost question may never come up for you at all.
- If it is not there, ask whether “in the spirit of it” is enough. For a lot of play, it is. Modifier cards and crossovers are genuinely fun on their own terms.
- If you want the actual book — its places, its minor characters, what happened in chapter nine — upload it instead. Play a free opening scene with no account and see whether the game master is reading or improvising.
- If you want to be read by other players, Hidden Door is the one with a catalog and a creator program. We do not have one.
Elsewhere on this blog: a SillyTavern alternative that writes the lorebook for you if you are coming from a configure-it-yourself setup, is AI Dungeon free for the same cost question asked of AI Dungeon, and games like AI Dungeon for the wider field.
The bottom line on Hidden Door cost: free is not a trial here, it is a real plan with unlimited turns, and most players will never hit its edges. You pay when you want more worlds, unlimited character chats, or to publish — and you will have to read the figure off the page yourself, because Hidden Door does not put it where an unauthenticated visitor can see it.
All Hidden Door details above are from hiddendoor.co’s own pricing page and FAQ as read in September 2026. Prices and plan contents change; check theirs before subscribing, and ours on our pricing page.