KSpaceDuel
SpaceWar! arcade game
In KSpaceDuel each of two possible players control a satellite spaceship orbiting the sun. As the game progresses players have to eliminate the opponent's spacecraft with bullets or mines.
KSpaceduel is a space battle game for one or two players, where two ships fly around a star in a struggle to be the only survivor. . This package is part of the KDE games module.
How to install KSpaceDuel in Ubuntu
If you are on a supported distro, you can install the application through software center by clicking the below link.
If the above link not working, run the below command in terminal to install kspaceduel in Ubuntu
sudo apt install kspaceduel