How to play Ragnarök Online on Linux

Introduction

This guide explains how to play Ragnarök Online natively on Linux using Wine. The instructions are intended for Ubuntu 19.10 (Eoan Ermine), but they should be easy to adapt to any Linux distribution.

Installation

  1. Download the IRO client custom installer.
  2. Open Terminal.
  3. Enter the following:

    wget -N -nv https://dl.winehq.org/wine-builds/winehq.key && \
    sudo apt-key add winehq.key
  4. Enter your Ubuntu user account password if you are prompted to.
  5. Enter the following:

    sudo apt-add-repository "deb https://dl.winehq.org/wine-builds/ubuntu/ $(lsb_release -cs) main" && \
    sudo apt-get update
  6. Enter the following:

    sudo apt-get install --install-recommends winehq-stable ttf-mscorefonts-installer
  7. Press enter to confirm that you wish to install the specified packages.
  8. Accept the TrueType Core Fonts for the Web license agreement. (Press and to select a button; press enter to press the selected button.)
  9. Enter the following:

    wget -N -nv https://unreserved.eu/scripts/wine-application-installer.sh && \
    bash wine-application-installer.sh ro international-standard
  10. When you are prompted to install Wine Mono, press Cancel. When you are prompted to install Wine Gecko, press Install.
  11. Complete the installation process.

Uninstallation

To erase all of the files created by Wine, including the Ragnarök Online client and its configuration, enter the following in Terminal:

rm -rf ~/.wine && \
find ~/.{cache,config,local} \
-regextype posix-egrep \
\( \
\( -type d -regex '.+/(wine|winetricks)' \) -o \
\( -type f -regex '.+/(application-x-wine-extension|wine|x-wine)-[^/]+\.(desktop|directory|menu|png|xml)' \) \
\) \
-exec rm -rf {} +

To uninstall Wine, its dependencies, and TrueType Core Fonts for the Web, enter the following in Terminal:

sudo apt-get --auto-remove purge winehq-stable ttf-mscorefonts-installer

To remove Wine's APT repository, enter the following in Terminal:

sudo apt-add-repository --remove https://dl.winehq.org/wine-builds/ubuntu/ && \
sudo apt-key del F987672F

Common problems and their solutions

The client does not open

Unfortunately, the following regional versions of the Ragnarök Online client are not compatible with Wine because they incorporate anti-cheating software such as CheatDefender, EasyAntiCheat, GameGuard, or Hackshield:

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