Window Painter is a free and open source fun color filling game for Linux. In this game you need to fill the whole box with the same color. Just choose color from below the board. This game comes in three level 5×5 grid with 15 moves, 10×10 grid with 20 moves and a hard 14×14 grid with maximum 25 moves. You can also customize grid and move limit with custom mode. It is written in vala and released under GNU General Public License v3.0.
Install Window Painter on Ubuntu Linux
Window Painter is available as a flatpak package from flathub. You need to install these two on your system first. Follow below link for installation help.
After the flatpak and flathub installation restart your system. Then open the terminal command line application (ctrl+alt+t) and run below Window Painter Game flatpak install command. It will install the latest version of Window Painter on your system
flatpak install flathub dev.jamiethalacker.window_painter
You can start this game via below command or via applications menu.
flatpak run dev.jamiethalacker.window_painter
and uninstall it via
sudo flatpak uninstall dev.jamiethalacker.window_painter