Install xscreensaver-data-extra by entering the following commands in the terminal:
sudo apt update sudo apt install xscreensaver-data-extra
Description:
Extra screen saver modules for screensaver frontends
XScreenSaver is a modular screen saver and locker for X11, containing more than 200 screen savers. . This package contains the rest of the 2D screen saver modules from the xscreensaver collection. This package can be used by xscreensaver and also some other screensaver engines. . This is the set of non-GL screensavers not shipped by default: anemone, anemotaxis, apollonian, apple2, attraction, barcode, blaster, blitspin, bouboule, boxfit, braid, bumps, ccurve, celtic, cloudlife, compass, coral, crystal, cynosure, decayscreen, deluxe, demon, discrete, drift, epicycle, eruption, euler2d, fadeplot, fireworkx, flame, flow, fluidballs, fontglide, goop, grav, greynetic, halftone, halo, helix, hopalong, ifs, imsmap, interaggregate, interference, intermomentary, julia, kaleidescope, kumppa, lcdscrub, ljlatest, loop, maze, memscroller, moire2, moire, mountain, munch, nerverot, noseguy, pacman, pedal, penetrate, petri, phosphor, piecewise, polyominoes, pong, pyro, qix, rd-bomb, rocks, rorschach, rotzoomer, sierpinski, slip, speedmine, spotlight, squiral, starfish, strange, substrate, thornbird, triangle, truchet, twang, vermiculate, vidwhacker, wander, whirlwindwarp, wormhole, xanalogtv, xflame, xjack, xmatrix, xrayswarm, xspirograph, zoom. . More display modes can be found in the xscreensaver-data, xscreensaver-gl and xscreensaver-gl-extra packages.
Homepage: http://www.jwz.org/xscreensaver/
Version: 5.36-1ubuntu1
Section: universe/x11