Install spacezero by entering the following commands in the terminal:
sudo apt update sudo apt install spacezero
Description:
Real Time Strategy 2D space combat, multiplayer net game.
SpaceZero is a Real Time Strategy 2D space combat, multiplayer (two players by now) net game. . The objective is to conquer the space, defeating all enemies. . At starting point you have only one ship and one planet, but you have gold to buy more ships to conquer more planets. . All the ships can be controlled by the computer (automatic mode) or by the player (manual mode). You can easily change among your ships controlling all of them independently.
Homepage: http://spacezero.sourceforge.net
Version: 0.80.06-1build1
Section: universe/games