Select and install: xscreensaver, xscreensaver-data, xscreensaver-data-extra, xscreensaver-gl, and xscreensaver-gl-extra

sudo apt-get install xscreensaver -y
sudo apt-get install xscreensaver-data xscreensaver-data-extra -y
sudo apt-get install xscreensaver-gl xscreensaver-gl-extra -y

Configure xscreensaver as a startup application:

mkdir -p ~/.config/autostart
 echo "[Desktop Entry]
 Type=Application
 Exec=xscreensaver -nosplash
 Hidden=false
 NoDisplay=false
 X-GNOME-Autostart-enabled=true
 Name[en_US]=xscreensaver
 Name=xscreensaver
 Comment[en_US]=
 Comment=
 " > ~/.config/autostart/xscreensaver.desktop

Enjoy!!