Brand-new gimmicks, pixel-style characters. Solve the puzzles and light up the night of Arcanum with Inotera, Helian.

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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?

“This game was initially planned for multi-play, but delays in communication development forced Early Access to be released as a single-player game.
However, the puzzles and story are identical in both multiplayer and single-player, so solo players can enjoy the game in single-player mode as well.”

Approximately how long will this game be in Early Access?

“We are aiming for an full release in July, 2026.”

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

“We are considering:
[1] Adding translations to several languages
[2] Multi-play mode

And, if possible,
[3] Endless mode.”

What is the current state of the Early Access version?

“Currently, single-player mode is available. You can play the game alone and experience the story.”

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

“The price will be the same.”

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

“DEFIB is listening closely to the community's feedback.
Some inconveniences are intentional, but we're working to improve any unnecessary ones.

If there are any mods you'd like to see developed for this puzzle, please let us know.
The infinite mode currently under consideration also was a suggestion from demo players!”
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About This Game

🌌 Arcanum: A World of Stars and Astrology

To recover the lost light, the mentor Lysimachia and her apprentices, Helian and Oenothera, continue their training.

Under Lysimachia’s guidance, the children—and the player—learn how to read constellations by using stardust and light.

🧩 Rising Difficulty & New Gimmicks

Bound by destiny, the two children set out to find the light of the sky.

With the star clusters torn in two, each must solve puzzles separately.

You’ll need to ask your partner for clues you can’t see and share your own information—cooperation is everything.

Some puzzles can’t be solved alone, but together, you’ll uncover the constellations.

At its core, this is a game where teamwork matters—communication and deduction are key.

Play with a friend and take on the challenge together!

You can play online with a friend, or offline by switching between the perspectives of both characters on your own.
(Number of players: 1–2)

  • Multiplayer mode is currently in development.

System Requirements

Windows
macOS
    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10
    • Processor: Intel(R) Core(TM) i7-12700K CPU @ 3.60GHz
    • Memory: 8 GB RAM
    • Storage: 780 MB available space
    Recommended:
    • Requires a 64-bit processor and operating system
    Minimum:
    • OS: macOS Sonoma 14.0
    • Processor: Apple M1 또는 Intel Core M
    • Memory: 4 GB RAM
    • Storage: 790 MB available space
    Recommended:
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