FurtherTime
FurtherTime is a space combat simulator. Action takes place in the close proximity of Earth. Fly your space fighter and fight against enemy wings of fighters, bombers, and interceptors. There are also heavy ships in the battle. Extremely realistic 3D models and breathtaking dynamics are the most... All the breathtaking action in this visually realistic 3D world with incredible detailed star fighters, bombers, interceptors, mid-size frigates with landing sites and huge cruisers with true 3D hangars immerses player in a really exciting environment of space combat.
http://www.furthertime.com/download/v11/FurtherTime11.zip - 6Mb - Download - Screenshot

Acamar Rising
Acamar Rising is a 3D space shooter where a lone fighter must defend a space station against the many threats of space, from asteroids to aliens. The fighter pilot who defends the station may be lone, but he isn? t without some hefty resources at his disposal. ... t be anywhere to left to dock! ... Also alien crafts will continuously assault and harass the defenses, along with the occasional mother ship. ... Let too many of these items past and there won? ... With four power-ups to be found in asteroids and 8 different weapons to purchase, the defending ship will go from bucket of bolts to...
http://www.beteogames.com/acamar/AcamarSetup.exe - 16Mb - Download - Screenshot

Astrobatics
Burst through all the missions of the fierce space war in this excitingly intense action game. Turn your ultramodern space-fighter into deadly fighting machine with weapon upgrades, rocket turrets, bots and additional weapons. Encounter various modifications of enemy fighters, cruisers,... Gorgeous graphics and special effects, complete environment renovation in each level, original soundtrack, Worldwide Hall of Fame and much more. ... Destroy asteroid plants and vast command ships before they destroy you.
http://kraisoft.com/files/astrobaticsdemo.exe - 6Mb - Download - Screenshot

Pulsarius
Genre - arcade 3D scroll shooter with classic gameplay. Earth Confederation receives May Day signal from one of the human colonies in the Pulsarius system. It is clear from scrappy information that the colony was massively attacked by an unknown aggressive alien race. ... You, as the fighter pilot, must complete the hardest missions among destroyed space bases, in asteroid belts and in the den of the aggressors! ... A human star cruiser with the newest fighter is sent to help. ... Vivid 3D-graphics and visual effects.
http://www.alawar.com/submit/Pulsarius.exe - 13Mb - Download - Screenshot

Attack of the Little Green Men
The people of Earth are in a panic! A gigantic spaceship has been ominously hovering over the planet for two days now! The world waits nervously, not knowing if the occupants mean them harm. But unknown to anyone, NASA has been developing the world's first space fighter ship for several years. ... Go on the offensive against bizarre enemy aliens in this action-packed side scrolling space shooter that mixes the familiar old school gameplay with amazing 3D graphics and surround sound that completely suck you in.
http://www.fun3dgames.com/download/LGMv12Trial.exe - 1Mb - Download - Screenshot

Jumpix
The XXII century. Our Earth is in danger. The invaders want to capture it and make their colony. For a long time the Earth was covered with a protective sphere. But the invaders have invented new weapons to destroy the protective sphere. The only chance to protect the Earth is to use a... Welcome to the board the space fighter and follow some instructions to control this machine. ... You are given an opportunity to defeat of the invaders and get to the Space Intellect. ... Each level makes you close to space Intellect.
http://www.gamexzone.com/files/jumpix.exe - 3Mb - Download - Screenshot

Iron Space
Iron Space Aliens attacked Earth by surprise and captured the Star-Stone that keeps the planet from falling apart. To save Humankind you have to get it back. 86 waves of Alien Aggressors stand in your way and they won't let you pass unless you blast their fighters, ground their bombers, and... So be it.
http://www.taipangames.com/IronSpaceSetup.exe - 10Mb - Download - Screenshot

Armada 2250: The Rebellion
Armada 2250: The Rebellion is an action/adventure game in which you play as a lieutenant in the United Space Colonies Navy (USCN). Your current assignment is on planet Pegasus where a small USCN detachment is attempting to stop a band of pirates from raiding USCN trade convoys. ... includes Capture the Flag and Deathmatch along with 7 unique maps - Engage the enemy on the ground using a variety of human and alien weapons and vehicles, and also in space where you will be required to pilot an advanced space fighter while dodging enemy missiles and stray asteroids - And much more!
http://www.waltsgames.com/Demos/Armada2250Demo_Setup.exe - 8Mb - Download - Screenshot

Space Alien Invaders
Free arcade style space shooter game for the PC.
http://www.freewareshareware.net/download/sai.exe - 1Mb - Download - Screenshot

3D Space Gladiators
Are you tired of all these lame girlish screensavers with flowers, kitties and other cute junk? How about something dynamic and active? Like gladiators. 3D gladiators! 3D Space Gladiators!!! Get ready for an adrenaline rush - 3D space gladiators fighting with each other to survive. ... 3D Space Gladiators is a macho space shooter screensaver that delivers. ... It's not a sell-out TV show; awesome 3D space crafts engaged in face-to-face combat, flying through asteroid fields, hunting for their enemies to avenge their killed buddies.
http://www.deaddybear.com/files/3dspacegladiators.exe - 4Mb - Download - Screenshot