Install defendguin-data by entering the following commands in the terminal:
sudo apt update sudo apt install defendguin-data
Description:
Data files for defendguin
"Defendguin" is based loosely on William's classic arcade game, "Defender." Some recognizable stars in the realm of modern operating systems should be fairly obvious. . A certain monopoly-owning bad guy has been cloned hundreds of times by an unknown alien race. They are now attacking earth, kidnapping little penguinoids and converting them into mutants. Helping them on their way are some other nasty alien ships, of which there are plenty... . This package contains sound and image files for defendguin.
Homepage: http://www.newbreedsoftware.com/defendguin/
Version: 0.0.12-6
Section: universe/games