Guide

Hytale on Linux: What You Need to Know

Hytale officially offers native Linux support, simplifying the process for users compared to relying solely on compatibility layers. This means that Linux users can enjoy the game directly, leveraging the benefits of their preferred operating system without needing complex workarounds or virtualization.

This guide will walk you through everything you need to know to get Hytale running smoothly on your Linux machine, whether you’re looking to play the game client or host your own dedicated server.

Hytale Client on Linux: What You Need to Know

Hytale’s commitment to native Linux support is a significant advantage. The game client is distributed as an “experimental” Flatpak, a universal packaging system that makes installation straightforward across various Linux distributions.

Hardware Requirements for the Client

Before you dive in, ensure your system meets the recommended specifications for a smooth Hytale experience:

Operating System: 64-bit Linux distribution with Kernel 6.15 or higher.
Processor: An Intel Core i5-10400 or AMD Ryzen 5 3600 equivalent is recommended. Apple M2 processors are also supported for those running Linux on compatible hardware.
Memory: 16 GB RAM is advised to handle the game’s assets and processes efficiently.
Graphics: Integrated graphics like Intel Iris Xe or AMD Radeon 660M are sufficient for basic play. For a better experience, a dedicated NVIDIA GTX 900 series or AMD Radeon 400 series GPU is recommended.
Storage: An SSD with at least 20 GB of free space is crucial for fast loading times and overall game performance.

Step-by-Step Client Installation

Installing the Hytale client on Linux is designed to be user-friendly thanks to the Flatpak distribution model.

Download the Hytale Launcher Flatpak:

Navigate to the official Hytale website and download the latest Flatpak file for the launcher. This file will typically be named something like hytale-launcher-latest.flatpak.
Install the Flatpak:
- Graphical Installation: In most modern Linux distributions, you can simply double-click the downloaded .flatpak file. This action will usually open your system’s software center (e.g., GNOME Software, KDE Discover), which will then guide you through the installation process.
- Command Line Installation: For those who prefer the terminal or if the graphical method doesn’t work, open a terminal and use the following command. Remember to adjust the path to where you downloaded the file:
  flatpak install ~/Downloads/hytale-launcher-latest.flatpak
Launch and Authenticate:

Once installed, open the Hytale Launcher from your application menu. The first time you launch it, you will need to authenticate your Hytale account. The launcher should attempt to open a web browser for this purpose. If the login button doesn’t automatically open a browser (a common issue on some systems like Steam Deck), you might need to capture the authentication URL manually. You can do this by running the following command in a terminal before clicking the login button:

dbus-monitor --session "interface='org.freedesktop.portal.OpenURI'"

This command will display the URL that the launcher tries to open. Copy this URL and paste it into your web browser to complete the authentication process.
Download Game Files:

After successful authentication, the Hytale Launcher will begin downloading the main game files. This process may take some time depending on your internet connection.

Optimizing Performance and Troubleshooting Client Issues

While native support is excellent, the diversity of the Linux ecosystem can sometimes lead to unique challenges. Here are some tips for optimizing performance and troubleshooting common issues.

Performance Considerations

Flatpak GPU Usage: Sometimes, Flatpak applications might not correctly detect or utilize your dedicated GPU, leading to lower performance. Ensure your system’s graphics drivers are up to date.
Zink for OpenGL to Vulkan Translation: Hytale uses OpenGL 3.3.0. On Linux, especially with AMD GPUs, using Zink (an OpenGL-on-Vulkan layer) can significantly improve performance and stability. You can enable it by setting an environment variable before launching the game:

MESA_LOADER_DRIVER_OVERRIDE=zink flatpak run com.hytale.Launcher

If Zink causes graphical artifacts, try disabling its transient cache system:

ZINK_DISABLE_TC=1 MESA_LOADER_DRIVER_OVERRIDE=zink flatpak run com.hytale.Launcher
Wayland Issues: Some users have reported issues when running the Hytale Launcher under the Wayland display server. If you experience problems, try forcing X11 by setting an environment variable via Flatseal for the Hytale Launcher or by modifying the launch command:

DISABLE_WAYLAND=1 flatpak run com.hytale.Launcher

Steam Deck Compatibility

Hytale is playable on the Steam Deck, but it’s important to note that it lacks native controller support at launch. While developers haven’t officially tested Proton compatibility for the Windows version, the game is expected to run well through Proton, primarily because it does not utilize kernel-level anti-cheat software that often causes issues on Linux.

Common Client Issues

Folder Crash: Some users have reported crashes when attempting to open folders from within the Hytale client on Linux. If you encounter this, try to avoid opening in-game folders directly and manage files through your system’s file manager instead.

Setting Up a Dedicated Hytale Server on Linux

Hosting your own Hytale server allows for a customized gameplay experience for you and your friends. Hytale provides dedicated server software that can be run on Linux.

Server Requirements

Memory: A minimum of 4GB RAM is required, but 8GB or more is highly recommended for better performance, especially with multiple players or custom content.
Processor: A 64-bit CPU (x64 or ARM64) with a clock speed of 3.5 GHz or higher is recommended.
Java: OpenJDK 25 (or Temurin 25) must be installed.
Storage: An SSD with at least 20 GB of free space is crucial. NVMe storage is preferred for optimal I/O performance.
Network: UDP port 5520 must be open and port-forwarded if you are hosting from a home network behind a router.

General Steps for Server Setup (Ubuntu/Debian-based)

Update System and Install Essential Tools:

Start by updating your package lists and upgrading existing packages. Then, install necessary utilities:

sudo apt update && sudo apt upgrade -y
sudo apt install wget unzip screen curl -y
Install Java 25:

Hytale requires Java 25. The exact commands to install it may vary slightly depending on your distribution. You’ll typically need to add a repository for a newer Java version (like Adoptium/Temurin) and then install the corresponding JDK. For example, for Temurin 25:

(Note: Specific repository addition steps are omitted for brevity as they can vary greatly, but you’d typically add a PPA or a custom repository for Adoptium/Temurin and then install temurin-25-jdk or openjdk-25-jdk-headless.)
Create a Dedicated Server User:

For security and organization, it’s best practice to run your Hytale server under its own system user. This isolates the server’s processes and files from your main user account.

sudo adduser --system --group --home /opt/hytale --shell /bin/bash hytale
Prepare Directories:

Create the necessary directories for your server files and potential backups, and set the correct ownership:

sudo mkdir -p /opt/hytale/server /opt/hytale/backups
sudo chown -R hytale:hytale /opt/hytale
Configure Firewall:

Allow incoming UDP traffic on port 5520, which Hytale uses for communication. If you are using UFW (Uncomplicated Firewall):

sudo ufw allow 5520/udp
Download Server Files:

Switch to your new Hytale user and download the official Hytale Downloader. This downloader is responsible for fetching the actual server and asset files. You will need to authenticate it with your Hytale account.

sudo -u hytale -s
cd /opt/hytale/server

(Download the hytale-downloader.zip from the official website to this directory, then unzip it and run the downloader executable.)
Initial Server Startup and Authentication:

Start the server for the first time. It will prompt you for authentication. In the server console, use the command /auth login device and follow the on-screen instructions to authenticate via a web browser using your Hytale account.
Optional: Create a Systemd Service:

For robust server management, consider creating a Systemd service. This allows your server to start automatically on boot, restart if it crashes, and be easily managed with systemctl commands.

(This step involves creating a .service file in /etc/systemd/system/ with appropriate commands to launch the server as the hytale user.)

Server Management and Troubleshooting

Authentication Requirement

To self-host a Hytale server, you must own a copy of Hytale. Server authentication is enforced during both the download of server files via the Hytale Downloader and the initial startup process of the server itself.

Server Updates

To update your Hytale server, you will typically need to use the Hytale Downloader again to fetch the latest server files. After downloading, extract the new server.zip and move the updated Assets.zip file into your server directory, overwriting older versions.

Troubleshooting Server Issues

Crashes or Lag: Check for version mismatches between your client and the server. Ensure that any installed mods or plugins are compatible and not causing conflicts. Verify that your server has sufficient RAM allocated and that the CPU is not bottlenecking performance.
Connectivity Issues: Double-check your firewall rules and router’s port forwarding settings to ensure UDP port 5520 is open and directed to your server’s IP address.

Important Considerations and “Experimental” Status

Hytale’s native Linux support is labeled as “experimental.” This designation acknowledges the vast diversity within the Linux ecosystem, including numerous distributions, desktop environments, and hardware configurations. While the developers strive for broad compatibility, this “experimental” status implies that users might encounter specific bugs or performance quirks unique to their setup. Community feedback is crucial for refining this support.

For those considering running the Windows version of Hytale on Linux, community members anticipate good compatibility via Proton. This is largely due to Hytale’s lack of kernel-level anti-cheat, which is often the primary hurdle for games running through compatibility layers on Linux.

Running Hytale on Linux, whether as a player or a server host, is a viable and increasingly streamlined experience. By following these guidelines and understanding the nuances of the “experimental” label, you can enjoy Hytale in your preferred open-source environment.