Athenaeum is a free and open source game launcher application for Linux. Using Athenaeum you can install, run, uninstall and update games easily. It uses flathub to get the game. So you can find and install any flatpak game in your system. Currently it pulls all Free Software license flatpak games from flathub. It is based on Python/Qt and released under GNU General Public License v3.0.
Install Athenaeum on Ubuntu Linux
Athenaeum is available as a flatpak package from flathub.If you don’t have flatpak in your system first install flatpak and flathub on your system and restart your system. After that open the terminal application (ctrl+alt+t) and run below Athenaeum flatpak command. It will install the latest version of Athenaeum.
flatpak install flathub com.gitlab.librebob.Athenaeum
You can run Athenaeum app using below command.
flatpak run com.gitlab.librebob.Athenaeum
You can also uninstall it via below command.
sudo flatpak uninstall com.gitlab.librebob.Athenaeum