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Thalyn
Build a cosy world. Then step inside. Create cottages, gardens and places to stay, from above or in first person. Shape the atmosphere with simple choices, text or voice, wander through your creation, and export it as glTF to keep and share. No coding or 3D modelling needed.

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Features
Single-player
Includes level editor
Family Sharing
Steam is learning about this game 
Languages:
Interface Full Audio Subtitles
English ✔

Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“Thalyn is about making places you want to build, explore and spend time in. We want players to help shape that experience: how building feels, which scenery they reach for, what makes a world worth returning to, and how well their creations export into other tools.

Early Access will give us feedback from people using Thalyn for their own ideas. We’ll use that feedback to prioritise fixes, improve the creation flow and develop the features players find most useful.”

Approximately how long will this game be in Early Access?

“We currently expect around a year. That estimate may change as we respond to player feedback and assess the quality of the building, exploration and export experience.”

How is the full version planned to differ from the Early Access version?

“During Early Access, we plan to expand scenery variety and refine building, terrain, atmosphere and export quality. We also intend to develop the tools for connecting places into larger personal landscapes and continue testing additional export workflows.

We’ll explain which features are available in each update and which remain in development. The direction and scope may change in response to feedback.

Personal FBX importing and optional ThalynQuest are planned for the initial paid release, rather than the November 2026 demo. ThalynQuest offers worldbuilding puzzles, story chapters and exclusive cosmetic rewards. Completing it unlocks floating islands, which are available only through that reward in the main app.

These initial paid-release plans are separate from our plans for completing Early Access.”

What is the current state of the Early Access version?

“Thalyn is currently in development and is not yet available to purchase. A separate downloadable demo is targeted for November 2026, followed by the planned paid launch on 30 April 2027.

Before paid Early Access begins, we will update this section with the features available in the launch build, its known limitations and the current status of export compatibility. The demo’s feature list will be confirmed separately.

The demo does not include personal FBX importing, ThalynQuest or floating islands. Personal FBX importing and ThalynQuest are planned for the paid release. Floating islands unlock only after completing ThalynQuest in the main app. Roblox export remains under compatibility testing.”

Will the game be priced differently during and after Early Access?

“The planned base price is $24.99 USD / £22.49 GBP as a one-time purchase, with no subscription. We do not currently plan to increase the base price when Thalyn leaves Early Access. Any promotional discounts will be shown separately on Steam.”

How are you planning on involving the Community in your development process?

“We plan to gather feedback through our Discord community, share development progress and learn from the worlds players create.

We’re particularly interested in where building or exploration feels awkward, which scenery and interactions players want more of, and how exported worlds perform in their chosen tools. That feedback will help us prioritise fixes and improvements throughout Early Access.”
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This game is not yet available on Steam

Planned Release Date: April 2027

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About This Game

Build a cosy world. Then step inside.

A cottage beside a lake. A garden tucked into the woods. A tower with a view you could sit and watch for hours.

Thalyn is a cosy worldbuilder for making places you want to spend time in. Begin with simple choices, text or your voice, then build from above in God mode or get close in first person. Shape the landscape, add the little details, open a door and make yourself at home.

Start with an included collection of cottages, towers, trees, gardens and scenery. No coding or 3D modelling experience needed.

MAKE SOMEWHERE YOUR OWN

Lay a path to the water. Draw a fence around your garden. Place lights, seats and little corners worth stopping for. Save favourite arrangements to use again in another world.

Your buildings become places to explore, with walkable rooms, floors and stairs. Add windows and doors, open the shutters and find your favourite view.

CHOOSE HOW IT FEELS

Pick a mood and let the landscape, light, weather and wildlife respond together. Make somewhere serene or joyful, or follow your imagination into an eerie forest or a desolate landscape.

Use simple choices, type an idea or describe it aloud. Change your world’s visual style while you stand inside it, and see a familiar place in a different light.

Thalyn draws on environmental psychology to guide how its spaces come together. You decide what makes yours feel like home.

LET NATURE MOVE IN

Add ivy, moss and lichen. Watch for deer, foxes, rabbits and songbirds. Let the weather change the character of a place you thought you knew.

Build a tree house, hang a swing or sit beside a fire. Bring a DRM-free book to read in the rain. Some days, enjoying the world is the whole point.

KEEP IT. SHARE IT. TAKE IT FURTHER.

Export your creations as glTF scenes to keep, share and use in compatible 3D tools. For creators who want to take things further, that includes workflows using Blender, Unity and other software with suitable glTF support.

The same seed and settings rebuild the same generated landscape, giving you a starting point to revisit and make your own.

Our developing website World Showcase will demonstrate actual Thalyn-made glTF exports in a browser. Finished showcase worlds and hosted sharing links are still being prepared.

A QUIET STORY HIDDEN IN THE WORLDS YOU MAKE

Planned for the main release, ThalynQuest is an optional, zero-pressure journey through worldbuilding puzzles.

Follow story clues and create worlds through the seeding system to unlock an approximately 50,000-word story, one chapter at a time. Along the way, earn exclusive cosmetics that cannot be bought or acquired elsewhere.

Complete ThalynQuest to unlock floating islands and take your worldbuilding above the clouds.

You can enjoy Thalyn’s core building and exploration without taking part. Floating islands are a reward available only by completing ThalynQuest in the main app.

ThalynQuest and floating islands will not be available in the November 2026 demo.

YOUR FINISHED CREATIONS ARE YOURS TO KEEP AND USE

Under the Thalyn licence, you can keep, modify, share and commercially use your finished exported worlds without a Thalyn royalty.

The included asset library remains licensed content. Its assets cannot be extracted and redistributed as standalone files or repackaged as a separate asset library. Any assets you import remain subject to the rights you hold in them.

ONE PURCHASE. NO SUBSCRIPTION.

Creating new worlds uses Awen, Thalyn’s replenishing creative energy. It refills daily and is never sold. Exploring, decorating, editing and exporting worlds you have already generated do not consume generation credits.

World generation and export require an internet connection and a free Thalyn account. Exported files can be used offline in compatible software.

THE DEMO AND WHAT COMES NEXT

The downloadable Steam game demo is targeted for November 2026, with glTF export and building using the included asset collection. Its final feature list will be confirmed before it becomes available.

The main paid release is planned for 30 April 2027. Personal FBX model importing and ThalynQuest are planned for that release. Floating islands unlock only after completing ThalynQuest in the main app.

The demo does not include personal FBX importing, ThalynQuest or floating islands. Roblox export remains under compatibility testing.

The website’s World Showcase is a separate browser viewer for exported worlds; it is not the downloadable game demo.

Wishlist Thalyn and start imagining the place you’ll make.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

Generative AI tools were used to assist in the creation of marketing artwork and store page assets. All game content is procedurally generated through Thalyn's proprietary algorithms

System Requirements

    Minimum:
    • OS: Windows 10 64-bit
    • Processor: Quad-core CPU
    • Memory: 8 GB RAM
    • Graphics: DirectX 11 (Shader Model 5.0) compatible GPU, 4G VRAM (e.g. GTX 1050 Ti / RX 560 or equivalent)
    • DirectX: Version 11
    • Network: Broadband Internet connection
    • Sound Card: DirectX Compatible
    • Additional Notes: Requires an internet connection and account sign-in for world generation
    Recommended:
    • OS: Windows 10/11 64-bit
    • Processor: 8-core CPU
    • Memory: 16 GB RAM
    • Graphics: DirectX 11-class GPU, 8GB VRAM (e.g. GTX 1660 Ti / RTX 2060 or equivalent)
    • DirectX: Version 11
    • Network: Broadband Internet connection
    • Sound Card: DirectX Compatible
    • Additional Notes: Requires an internet connection and account sign-in for world generation