Build a colossal factory as you trace humanity’s technological history.

• From waterwheels to steam engines, electricity, and fusion. With every leap in technology, what you can do expands.

• Automate everything from mining and smelting to processing and assembly—build a production network where materials flow on their own.

• Your ultimate goal is to build a rocket. Develop your factory and aim for a return home.

Windmills spin, gears mesh, and machines roar to life. Tune rotation speed and torque to design your very own power network.

• High RPM or high torque? Tinker with gear ratios to pursue efficient power transmission.

• Run short on power and your machines grind to a halt. This is hands-on, physical engineering you can’t get from simply connecting wires.

A gentle tutorial explains the basics of factory automation from scratch—no experience needed.

• A complete step-by-step tutorial that teaches the fundamentals of factory automation.

• No more “I don’t know what to do next.” Your companions will guide you toward your next objective.

• Veteran players can skip the tutorial and jump straight into serious construction.

Exiled Princess Yori and her colorful companions. Why was she cast out? The truth awaits in the story.

• Yori (left): The second princess of planet Celestal. Exiled to planet Arcadia without even knowing why. She starts out as a sheltered young lady who can’t do much, but with Ereno’s help, she pushes industrialization forward.

• Ereno (middle): A general-purpose support AI system who came to planet Arcadia with Yori as her attendant.

• Kurua (right): Athletic, genuinely bright, and easygoing. Friendly and chatty. She loves money—and will do anything to survive.

The Ultimate Modding Environment—Powered by Open Source and Dedicated Tools

• Create mods with a dedicated editor—no coding required.

• The game’s full source code is publicly available on GitHub.

• Planned support for Steam Workshop.