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Labyrinth of Aetheria
A solo-developed, turn-based 3D dungeon crawler is now complete! Capturing the essence of classic 3D dungeon RPGs, this game offers the thrill of rare item collection and intense battles. Adventurers explore the dungeon under the frontier town of Aetheria, seeking the legendary Holy Grail.

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

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?

“During the development of the PC version, we determined that additional adjustments were needed while expanding the game based on the previously released mobile versions (iOS/Android), and decided to release it in Early Access.

We plan to add new content and make related balance adjustments in stages, using player feedback to improve the overall quality of the game.”

Approximately how long will this game be in Early Access?

“We currently expect the Early Access period to last for approximately six months, although this may change depending on development progress and player feedback.”

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

“The full version is planned to expand upon the Early Access version by adding additional content and further refinements.

Planned additions for the full release include:
- Additional dungeon floors and areas
- New enemies and items
- More events and story-related content
- Further balance adjustments and gameplay tuning
- Additional quality-of-life improvements and overall polish

While the Early Access version offers a complete core gameplay experience, some of the above content and refinements are still in development and will be added before the game is considered complete.”

What is the current state of the Early Access version?

“The current Early Access version includes the main gameplay systems of "Labyrinth of Aetheria", and players can enjoy features such as character creation, dungeon exploration, and turn-based combat as described in the "About This Game" section.

Some additional content and refinements, such as further dungeon areas, events, and balance adjustments, are still in development and will be added before the full release.”

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

“The price of the game is planned to increase at the time of the full release. The price increase reflects the additional content and improvements added during Early Access.
There are no plans to change the price during the Early Access period.”

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

“During development, we will treat feedback and requests from players as important reference information. Feedback is accepted through the Steam Community Hub, the official website, and the in-game contact form, and will be used to guide adjustments, improvements, and future development decisions.”
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This game is not yet available on Steam

Planned Release Date: Q2 2026

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About This Game

Labyrinth of Aetheria is a first-person dungeon crawler created by a solo developer, inspired by classic titles. The game keeps the classic atmosphere, but includes an auto-mapping system and is adjusted to be easy to play in a modern style.

Your Objective

The story takes place in the frontier town of Aetheria, where a legendary Holy Grail is said to lie hidden underground. Many adventurers gather to seek treasure and challenge the dangerous dungeon.  Your goal is to face many trials and reach the Holy Grail.

Town Facilities

The town offers many facilities useful for adventures, such as item trading at shops, spell learning at the magic guild, and secret tool transactions at the thief guild. Quests can be undertaken at the adventurer's guild, and various clues for dungeon exploration can be found at the tavern. 

Collection Element

Items found in the dungeons can be appraised, either by the adventurers' abilities or the town's appraiser, and registered in an item encyclopedia. This allows players to enjoy the collection aspect while progressing through the dungeon conquest.

Classes and Skills

Adventurers can choose from a wide range of classes, from basic ones like fighters, thieves, priests, and mages, to advanced classes like paladins, samurais, ninjas, and sages. Each class comes with unique skills that influence party composition, strategy, and dungeon conquests. By changing classes, adventurers can combine different skills, creating unique characters.

Custom Portrait

The game features a custom portrait system that allows players to replace adventurer portraits with their own images. This lets you personalize your party and enjoy a more immersive dungeon-crawling experience.

AI Generated Content Disclosure

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

AI tools were utilized for text translation and proofreading.

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 64bit, Windows 11 64bit
    • Memory: 8 GB RAM
    • DirectX: Version 11
    • Network: Broadband Internet connection
    • Additional Notes: While the game can run on integrated graphics, a dedicated GPU provides a much smoother experience.
    Recommended:
    • Requires a 64-bit processor and operating system
    • Memory: 8 GB RAM
    • DirectX: Version 11
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