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Keystone Library
Enter a living library where each book is a new adventure. Solve puzzles, complete RPG quests, battle foes, and upgrade your library. Use a unique keyword interface to interact with characters and stories. Frequent updates bring new books, genres, and challenges to explore.

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Features
Single-player
Steam Cloud
Family Sharing
Profile Features Limited 
Languages:
Interface Full Audio Subtitles
English ✔ ✔ ✔

Early Access Game

Get instant access and start playing; get involved with this game as it develops.

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?

“Keystone Library is a long-form project built around multiple illustrated “books,” each with its own chapters, art, mechanics, puzzles, and narrative. Early Access allows me to release the first playable content while continuing to expand the library with new books and features.”

Approximately how long will this game be in Early Access?

“I expect Keystone Library to remain in Early Access until additional books and core features are complete.

There isn’t a fixed deadline, but the roadmap is active and development is ongoing. Major updates will continue throughout the year.”

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

“The full version will include multiple complete books, additional chapters, more illustrations, new mini-games, and expanded library features.”

What is the current state of the Early Access version?

“The current build features a fully playable book with puzzles, typing-based gameplay, library exploration, and narrative progression.”

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

“Yes. The Early Access price is lower and will increase as more books and content are added.”

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

“Feedback is welcome on Steam discussions. Suggestions, bug reports, and player impressions help shape upcoming updates and determine which features and books are prioritized next.”
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Buy Keystone Library

$4.99
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Early Beta Access

We are in Early Beta. But the game seems stable thus far. Feel free to try the game now and let us know of any problems or oddities.

More content coming soon!

Major Update

The library has received its largest visual update since Early Access began.
This overhaul brings the world closer to the final vision and makes the entire experience feel richer and more immersive.

Highlights:

  • Rebuilt library interior with new illustrations

  • New chapter games, mini-games and activities

  • Updated Artwork

  • Cleaner interface, layout, improved readability, and atmosphere upgrades

  • Dozens of refined visuals across the early chapters

More updates and new content are in active development — thank you for your patience and support.

About This Game

Step into Keystone Library, a growing collection of story-driven games where every book offers a unique adventure. From epic fantasy to gritty cyberpunk, each story is brought to life with handcrafted illustrations, custom-composed music, and immersive gameplay.

Discover RPG quests, tactical battles, puzzles, and character progression, all controlled through an intuitive keyword-based interface. Whether you're solving mysteries, embarking on daring quests, or exploring strange new worlds, Keystone Library offers something for everyone.

Designed for readers, writers, artists, and gamers who love rich stories and creative expression, the library continues to expand. With each update, new books introduce fresh stories, environments, and challenges, making every chapter a new journey.

Currently in Early Access, Keystone Library will remain a work in progress until at least three complete books are available. Join us now to explore the first stories, share your feedback, and help shape the library’s future.

System Requirements

Windows
SteamOS + Linux
    Minimum:
    • Requires a 64-bit processor and operating system
    • OS *: Windows 7 - 64 bit
    • Processor: 1.8 Ghz Dual Core
    • Memory: 4 GB RAM
    • Graphics: GeoForce GTX 590
    • Storage: 1 GB available space
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 - 64 bit
    • Processor: 2+ GHz Quad Core
    • Memory: 16 GB RAM
    • Graphics: GeoForce GTX 1660 or better
    • Storage: 2 GB available space
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
    Minimum:
    • OS: LTS Linux
    • Processor: 1.8 Ghz Dual Core
    • Memory: 4 MB RAM
    • Graphics: GeoForce GTX 590
    Recommended:
    • OS: Windows 10 - 64 bit
    • Processor: 2+ GHz Quad Core
    • Memory: 16 MB RAM
    • Graphics: GeoForce GTX 1660 or better
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