LGeneral is a free and open source turn based strategy game engine for Linux and Windows. It is heavily inspired by another popular Panzer General game. You can play against a human player or the computer. It comes with campaigns and scenarios. This strategy game comes with Entrenchment, rugged defense, defensive fire, surprise contacts, surrender, unit supply, weather influence and reinforcements elements. It is released under GNU General Public License version 2.0.
Install LGeneral on Ubuntu Linux
LGeneral is available as a flatpak package from flathub remote. Install flatpak and flathub on your system and restart it after the installation. Now open the terminal application using ctrl+alt+t keys or via the application menu and run below LGeneral flatpak installation command. It will install the latest version of LGeneral.
flatpak install flathub net.sourceforge.lgames.LGeneral
Now open LGeneral using below command
flatpak run net.sourceforge.lgames.LGeneral
Just load any single scenarios or load the whole campaigns and start playing. You can also uninstall it via below command.
sudo flatpak uninstall net.sourceforge.lgames.LGeneral