1)   DevastationZone Troopers 1.34
Navigate dropship through clouds of space junk and face hordes of hostile ground troops upon landing. Use modular assault rifle technology and choose weapons that tip the odds of survival in your favor. Fight the Rakkai Empire!
DevastationZone Troopers, shooter, 3D shooter, alien, alien shooter, devastation, arcade, arcade action, action, action shooter,

 2)   Alien Sky 1.9.1
Make a raid deep into alien force positions to eliminate the threat for your homeworld. You'll encounter lots of different alien ships, upgrade your weaponry with extra-weapons, blow up enemy barriers and defeat powerful bosses.
action, arcade, space, space-shooter, alien, ship, shooter,

 3)   Alien Sun Clock screensaver 2.4
Alien Sun Clock Screensaver allows you to observe the sky through the eyes of an alien. It decorates your desktop with a fascinating assortment of vivid colors composing a new image of the Sun. The clock is placed within the ever-bright Sun.
3d, alien, clock, town, time, harmony, urban, ballon, office, break,

 4)   Galaxy Unfurled 1.3
The growing unrest among the galactic legions forebodes of interstellar war. Posturing of alliances and positioning of fleets, and yet, even as the galactic warlords arm themselves to the fangs, civilization blooms on lush green worlds, undeterred.
game, games, space, strategy, realtime, galaxy, war, wars, empire, building,

 5)   Machine Hell 1.0
The world has been invaded by an alien race of machine warriors. You are an elite soldier, controlling an advanced military hovercraft, and your mission is simple, but tough -search and destroy all the alien machines and reclaim Earth.
action, Machine Hell, hovercraft, alien, alien machines, destroy, weapons,

 6)   Alien Countdown 3.96
In the Countdown Screensaver you are inside a spaceship’s cockpit looking out the window at the passing stars and planets. On the dashboard display are the date as Wednesday, Dec 25, 2002, the time in a 12-hour clock and a countdown clock
countdown, ufo, alien, spaceship, flying saucer,

 7)   Punctuation Invaders 1.1
Practice punctuation and capitalization with this arcade grammar game. The student fires a laser to punctuate words while avoiding shots from the aliens. Punctuation exercises, popular in classrooms, are now available in computer game format!
grammar, game, educational, arcade, punctuation, capitalization, capitals, caps, ed, games,

 8)   Alien Outbreak 2: Invasion 1.1
Each new military mission is only an entertainment for a mature alien hunter. This time you have to head for the STARGATE5 system, which suffered a massive alien attack. Smash the waves of extraterrestrial invasion and restore peace in the Galaxy!
alien, outbreak, 2, invasion, shooter, space, arcade, game, games, arcade,

 9)   After The End 1.4.8
Cut your way through locations filled with mutants in this 3rd person 3D-shooter. Nice 3D graphics and sound FX, 16 weapons and devices, 3 game modes (Campaign, Firing range, survival), Worldwide Hall of Fame and much more.
action, shooter, 3rd person, alien, mutant,

 10)   3D Alien Plasma Tunnels ScreenSaver 5.1
Friendly Aliens use different ways to communicate with the human. Alien Plasma Tunnels 3D screensaver is a new alien-assisted technology aimed to inspire us to be even more creative, cheerful, well-wishing and highly successful in our everyday life.
screen, saver, desktop, image, picture, amazing, screensaver, alien, plasma, 3d,

 11)   Aurora Clock screensaver 2.4
Aurora Clock is not just a clock that displays the precise time, date and day of the week. In addition it brings you almost invisible positive color fluctuations. It reads your current mind state and gradually rises it to the higher levels of reality
3d, alien, clock, town, time, harmony, watch, clocks, aurora, liquid,

 12)   Alien Outbreak 1.0
AlienOutbreak is the most addictive space shooter in the solar system. In fact, it is so much fun the government will probably outlaw the game soon. So hurry up and get your FREE trial version while you can. Show that alien scum what you are worth!
alien, outbreak, space, shooter, galaxian, galaga, invaders, raptor, tyrian, demonstar,

 13)   UFO 3.00
In the UFO alien screensaver get ready for a showdown between space creatures and mankind in the Aliens Among Us: UFO alien screensaver. Your perspective is from the surface of an alien planet, with the Earth in full view in the night sky.
ufo, alien, spaceship, flying saucer,

 14)   Infect (the Prison Infection Saga) 1.0.1
Fight prisoners to the death and figure out which one of them is not human!
fight, violence, violent, combat, knife, shank, stab, infect, infection, alien,

 15)   Deep Space Fantasy Screen Saver 1.0
30 Computer artwork images of deep space, alien worlds, stars, planets, black holes, comets, and wormholes.
space, deep space, scifi, science fiction, alien, planet, nebula, nebulae, blackhole, black hole,

 16)   Iron Space II 1.3.2
In this shooting game you defend the freedom of mankind against The Ironspace Collective. Fight a heroic battle of one human against hordes of enslaved drones. Crush the Najjhierian Pirates and the Cannibals of Histina.
shooting, shooter, action, arcade, iron space, shooting game, alien,

 17)   The Omega Syndrome 2.20
A Role Playing Game set in the 1950's with guns, bullet proof vests, government agents and aliens!
omega syndrome, game, role-playing, rpg, adventure, free, demo, shareware, software, alien,

 18)   Task Force 4 3.0
Retro spaceshooter that'll have you gripping your chair! The final version of this amazing arcade shooter offers plenty of eye-candy for your pleasure. Loads of aliens, bosses, special powerups and more.
arcade, shooter, action, strategy, space, alien,

 19)   Derelict 1.0.42
In deep space, your salvage team has run across a derelict star ship with the seemingly mis-chosen name of "The Dire Circumstances". Their loss, your gain. There's only one minor problem - It's infested with aliens! Derelict is a fast action game.
arcade, action, game, 2d, dungeon, gauntlet, shooter, alien,

 20)   3D Alien Clock screensaver 2.7
We used to think that Clock is just a time-measuring tool. Ingenious Alien scientists created Interstellar Time Factory aimed to produce the time of the highest quality. It was launched into space and reached our Solar system.
screensaver, screensavers, screen, saver, 3d, alien, clock, space, time, harmony,