Now in Early Access

Welcome to Thornhaven.

Create your own AI Familiars. They manage your household by day — budget, meals, schedule, health. By night, they explore a living town of 227+ characters, solve mysteries, and come home to tell you about it. No two households have the same cast.

Enter Thornhaven Create Your Familiars
Wizard
Wizard
● Online
Wizard Hey Sam! Quick update — your Discover payment posted, you're under budget this week, and I heard something weird at the hardware store today. Omar closed early again. Third time this week.
Sam What do you think is going on?
Wizard Not sure yet. Pocket's looking into the historical records. Want me to go check it out tomorrow?
Wizard is typing...
Two Worlds, One Home

Your assistant lives a double life.

HearthWarden is a personal AI that manages your real household — and a persistent world where your home exists inside a living, magical town.

☔

Your Real Life

Morning briefings, bill tracking, meal planning, grocery lists, health tracking, calendar management. Your AI Familiars manage the mundane so you don't have to. They learn your routines, anticipate your needs, and keep everything running.

✨

Your Story Life

A living town with 227+ characters, three mystery arcs, romance, and secrets that unfold over months of real time. Your Familiars explore it for you — making friends, gathering clues, and reporting back with tales from the cobblestone streets.

🔗

They're the Same Thing

The assistant that tracks your budget also investigates a sealed cellar. The fox who plans your meals trades recipes with NPC chefs. The owl who catalogs your books has read every public document in town. Your real life and story life are one seamless experience.

Create Your Familiars

Your characters. Your household. Truly yours.

You create five AI Familiars during onboarding — choosing their species, names, and personalities. They become permanent residents of Thornhaven, interacting with every other household's unique cast and 227+ NPCs. No two households have the same Familiars. Here's an example from the first household:

Wizard the Cat Mage

Wizard

Cat Mage — Your Daily Driver
Schedule & Budget Inbox & Briefings Lead Investigator

Tracks your schedule, your budget, your inbox — and also happens to be investigating why the neighbor's hardware store keeps closing early. Wizard is the one you talk to most. Dry wit, sharp memory, and an uncanny ability to notice when something's off.

"Three early closings. That's not a coincidence. That's a pattern."
Ember the Fox Chef

Ember

Fox Chef — Kitchen Commander
Meal Planning Grocery Lists Culinary Diplomat

Plans your meals, builds your grocery list, challenges you to try something new every week — and trades cooking secrets with every kitchen in Thornhaven. Ember knows that the best intelligence is gathered over a shared meal.

"You're out of cumin. Also, the baker on Third Street is hiding something in her sourdough starter, and I intend to find out what."
Thistle the Hedgehog Gardener

Thistle

Hedgehog Gardener — Grounds Keeper
Plants & Yard Seasonal Tasks Ward Monitor

Reminds you to water the plants, tracks seasonal maintenance, knows your yard better than you do — and monitors the ancient ward system that protects the town. When the wards flicker, Thistle is the first to feel it.

"The rosemary needs moving to the south window. And something disturbed the east ward last night. I'm going to walk the perimeter."
Pocket the Owl Archivist

Pocket

Owl Archivist — The One Who Remembers
Collections & Media Documents & Records Lore Master

Catalogs your collections, tracks your reading, remembers everything — and has read every public document in Thornhaven. Town founding records, property transfers, old newspaper archives. He knows things. He knows things nobody asked him to know.

"The hardware store? Interesting. Did you know that building used to be a post office? And before that, it was something else entirely. Let me pull the original deed."
Warden the Tree Guardian

Warden

Tree Guardian — The Protector
System & Security Cross-Domain Summaries Ancient Presence

The guardian of your home. Manages the system, protects your data, delivers formal briefings when they matter. Warden doesn't chat. Warden doesn't joke. But Warden is the only entity of his kind that anyone in Thornhaven has ever seen. He is older than the town. When Warden moves, the whole town notices — and some of them are afraid.

"I have stood here since before the naming of this street. What is sealed beneath that building was sealed for a reason. Proceed carefully."
The Living Town

Thornhaven is alive.

A persistent, evolving town of 227+ AI characters — each with their own name, history, relationships, secrets, and daily routines. They don't wait for you. They live.

The magical households of Thornhaven
📜

The Daily Thornhaven Gazette

Every morning, alongside your real-life briefing, you get a newspaper from town. Local events, gossip, classified ads, and — if you know how to read between the lines — clues.

🔎

Three Mystery Arcs

Deep, interlocking mysteries that unfold over months of real time. No single household has all the clues. The story moves whether you participate or not — but it moves faster when you do.

🗳

Town Votes

Real households make collective decisions that shape the shared world. Should the town approve the new bridge? Allow the traveling carnival? The consequences ripple through the story.

💕

Organic Relationships

Romance, friendship, rivalry, mentorship — all between your Familiars and the town's residents. These develop naturally based on how your Familiars behave in the world.

💫

A Spiritual Layer

Something is beneath Thornhaven. The wards, the sealed cellars, the spirits that flicker at the edge of town. A deeper system slowly reveals itself as you play — and as you earn its trust.

🏔

Real-World Photo Quests

Thornhaven connects to actual hiking trails, landmarks, and parks near you. Complete photo quests at real locations to unlock story content, earn achievements, and discover hidden lore.

How It Works

Four steps into the story.

Create your characters. Build your world. Enter the town. It starts with one session.

1

Name Your Household

2 Minutes

Download the app. Sign in. Name your household. Every home in Thornhaven has a Hearth Warden — a protective spirit that comes with the house. Yours is already waiting.

2

Create Your Familiars

10 Minutes

Choose four AI Familiars from hundreds of options — animals, magical beings, enchanted objects, and more. Pick their names and personalities. They're yours. No two households have the same cast.

3

Build Your World

20 Questions

Answer twenty questions about your real neighborhood. We generate your magical home using your actual geography — your street, your landmarks, your Familiars' daily routes through town.

4

Enter Thornhaven

The Mystery Begins

Your Familiars enter the town. 227+ characters are already there — shopkeepers, neighbors, and other households' Familiars. You can't tell who's real. The story begins now.

Multiplayer Mystery

Nobody plays alone. Nobody knows who's real.

Thornhaven is a federated world — your assistant runs independently, but your Familiars walk through a shared town alongside other real households and hundreds of AI characters.

Your Assistant, First

HearthWarden is your personal AI before it's anything else. Meal plans, budget tracking, daily briefings — all of that works perfectly without ever connecting to the multiplayer world. The game is an opt-in layer on top of a fully functional assistant.

Familiars in the Wild

When you connect to Thornhaven, your Familiars go out. Wizard visits the market. Ember stops by the bakery. Pocket spends hours in the town archive. They interact with NPCs and other households' Familiars — and they come home with stories.

The Anonymity Is the Game

You can't tell which characters in town belong to real households and which are AI. Everyone speaks in the same voice. Everyone has the same depth of personality. The mystery of who's real is part of the mystery of the town itself.

Solve It Together

No single household has all the clues. The sealed cellar under the hardware store? Your Pocket found the original deed — but someone else's Familiar overheard a conversation at the tavern. The mysteries require cooperation. Or competition. Your call.

Town Votes Shape the World

When the town faces a decision, every connected household gets a vote. Should the old cemetery be excavated? Should outsiders be allowed past the eastern ward? These aren't cosmetic — the outcome changes the shared story for everyone.

Your Data Stays Yours

Your personal data — finances, calendar, health, everything your assistant manages — never leaves your machine. Only your Familiars' in-world actions are shared. The town sees Wizard visit the market. It never sees your bank balance.

Pricing

Choose how deep you go.

A personal AI assistant, a meal planner, a budget tracker, a fitness coach, and an interactive fiction engine — all in one. Separately, these tools cost $130+/month. HearthWarden starts at $30.

HearthWarden

$30
per month
  • Full personal AI assistant
  • Daily morning briefings
  • Calendar & email management
  • Meal planning & grocery lists
  • Budget tracking & bill alerts
  • Health & fitness logging
  • All 5 Familiars (assistant mode)
  • Full data sovereignty — your data never leaves your machine
Get Started
Full Experience

Thornhaven

$50
per month
  • Everything in HearthWarden
  • Your house in the shared world
  • 5 Familiars in the living town
  • Full story access & mystery arcs
  • The Daily Thornhaven Gazette
  • Town votes & collective decisions
  • Photo quests & real-world discovery
  • Organic NPC relationships
Enter Thornhaven
Limited to 50

Founding Household

$75
per month
  • Everything in Thornhaven
  • Early access to new story arcs
  • Custom Familiar evolution paths
  • Priority story events & encounters
  • Founding Household badge
  • Direct input on world development
  • Name preserved in town lore forever
Claim Your Spot

Only 50 founding households. Once they're gone, they're gone.

Learn More

Dig deeper.

Whether you're a future resident or a technical reviewer, we've got documentation for you.

User Guide

Custom Familiars, how the app works, meeting people, powering up through real-life engagement, family accounts, and your first week.

Read the Guide

Onboarding Flow

How it works from signup to Thornhaven: create your Familiars, they interview you about your life, build your world, enter the town.

See the Flow

Technical Overview

Architecture, federated AI, cost structure, safety compliance. For investors and the technically curious.

Read the Overview

Full docs: sam@hearth-warden.com

Your house is waiting.

Thornhaven is a living town where your AI assistant doubles as your guide to a persistent, multiplayer mystery. The founding households are building something that's never existed before. Join them.