Kanagram is a free and open source word game for Linux. In this game you need to guess the mixed up word. It comes with several built-in word lists, hints and a build-in game cheat feature. Some other useful feature is a build-in vocabulary editor and for your child education. It is released under GNU General Public License (GPL), Version 2.
Install Kanagram on Ubuntu Linux
Kanagram is available as a flatpak package file from flathub. First you need to install the latest version of flatpak and flathub on your system and restart it after the installation. Now in the terminal software run below Kanagram flatpak command.
flatpak install flathub org.kde.kanagram
After that open Kanagram using below command.
flatpak run org.kde.kanagram
And uninstall Kanagram using this command.
sudo flatpak uninstall org.kde.kanagram