Written by HOONDAHL STUDIOS LTD
Table of Contents:
1. Screenshots
2. Installing on Windows Pc
3. Installing on Linux
4. System Requirements
5. Game features
6. Reviews
This guide describes how to use Steam Proton to play and run Windows games on your Linux computer. Some games may not work or may break because Steam Proton is still at a very early stage.
1. Activating Steam Proton for Linux:
Proton is integrated into the Steam Client with "Steam Play." To activate proton, go into your steam client and click on Steam in the upper right corner. Then click on settings to open a new window. From here, click on the Steam Play button at the bottom of the panel. Click "Enable Steam Play for Supported Titles."
Alternatively: Go to Steam > Settings > Steam Play and turn on the "Enable Steam Play for Supported Titles" option.
Valve has tested and fixed some Steam titles and you will now be able to play most of them. However, if you want to go further and play titles that even Valve hasn't tested, toggle the "Enable Steam Play for all titles" option.
2. Choose a version
You should use the Steam Proton version recommended by Steam: 3.7-8. This is the most stable version of Steam Proton at the moment.
3. Restart your Steam
After you have successfully activated Steam Proton, click "OK" and Steam will ask you to restart it for the changes to take effect. Restart it. Your computer will now play all of steam's whitelisted games seamlessly.
4. Launch Stardew Valley on Linux:
Before you can use Steam Proton, you must first download the Stardew Valley Windows game from Steam. When you download Stardew Valley for the first time, you will notice that the download size is slightly larger than the size of the game.
This happens because Steam will download your chosen Steam Proton version with this game as well. After the download is complete, simply click the "Play" button.
Eternal ONE is a visual novel game of futuristic fantasy genre, learning about secret of the city while resolving various request of Lucio City.
“Mr. Admin... do you remember who you are?”
I’m Parker Klein, Executive Officer of Division 2 at ZF Corporation.
You’re the Head of Development in Division 1 — though after that little ‘incident’ a few years back, I hear some of your memories got scrambled.
I’ll keep this brief.
Three years ago, Earth was forever changed.
No one knows what caused it — some blame the sun, others say it was the planet itself turning against us.
But we do know what followed: the fall of nations, mass extinctions… and the rise of one last sanctuary.
Lucio City.
Built on Lucia Island after the Collapse, Lucio is the last autonomous megacity left — a symbol of survival, and control.
But beneath its glowing skyline lies a secret machine.
That machine… is you.
You are the Administrator, director of the Lucio City Security Bureau — a covert organization answering to no one but the City’s silent founders.
They say you lost part of your memory after the "incident" in Division 1.
But the city doesn’t care.
It just needs someone to hold the line.
Alongside the elite agents of the Security Bureau, who serve as your trusted aides, you will carry out your duties — and safeguard this unstable world.
"Each arc reveals a piece of the city’s truth."
A series of attacks shake the Treeper Ward’s most iconic building — the Department Store.
Amid chaos and rising public fear, the Bureau begins an investigation that leads to a truth even the agency wasn’t meant to uncover.
This episode features three characters from the Customer Center,
along with hidden figures from Treeper Department Store.
Together, they form a story of how they come together to protect Treeper.
Idol group Q.Seasons takes center stage — and so do the secrets surrounding their agency, SRC Entertainment, and national broadcaster LCBS.
When singer Yujin crosses paths with the Bureau, a story of loyalty, image, and manipulation begins to unravel.
Yujin, Satona, Jua, and Kylie form the four-member idol group Q.Seasons.
With the four seasons as their central concept, each member represents a unique charm:
the warmth of spring, the freshness of summer, the coolness of autumn, and the coziness of winter.
What is Lucio City hiding?
And why were you chosen to uncover it?
"We’re counting on you, Mr. Admin."
The story of Eternal ONE is divided into a main storyline and DLC episodes.
Each season offers exciting new stories, with even more content on the way!
[Main Story]
Part 1 – Service Center Arc
Part 2 – Dark Studio Arc
Part 3 – Coming Soon!
Feel like you're having a real conversation as characters react with a wide range of expressive emotions—more facial variations await as the story unfolds.
Eternal ONE provides regular updates to reflect new stories and content.
Through the update menu, you can download new episodes, limited-time events, bug fixes, and more.
Eternal ONE offers multiple routes and endings in each arc.
From true ending to bad endings, the story unfolds based on your choices.
You must overcome every false path and reach the true ending!
Each episode features stunning special CGs that heighten immersion and leave a lasting impression even after the story ends.
These visuals are key elements in the narrative of Eternal ONE, offering players a unique and moving experience through a rich variety of CGs.
Various in-game features make you feel as if you're truly working as the administrator of Lucio City.
Dive deeper into the world through interactive content like emails, chat systems, and more.
From Seoul to London to Tokyo — we’re a global team turning imagination into reality.
Our previous title, Beginning of the Rain, taught us more than just how to develop a game — it showed us how to grow with our audience.
We believe in building story-driven content that evolves through feedback, communication, and emotional connection.
Our games aren’t static; they’re living, growing experiences shaped together with the players.
Copyright © HOONDAHL STUDIOS LTD 2025 / All Rights Reserved.
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