Install kfourinline by entering the following commands in the terminal:
sudo apt update sudo apt install kfourinline
Description:
Connect Four game
KFourInLine is a game where two players take turns dropping pieces into a grid, the winner being the first to place four pieces in a line. . This package is part of the KDE games module.
Homepage: http://games.kde.org/
Version: 4:17.12.3-0ubuntu1
Section: universe/games