Crystal Power
Crystal Power is an exciting and challenging puzzle game where you fill energy tubes to power your spaceship home. Energy tubes light and pulsate in brilliant colors when the right combinations of power crystals are placed.
http://www.jollygoodgames.com/download/crystal.exe - 3Mb - Download - Screenshot

Alien Countdown
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 in days:hours:minutes:seconds format which counts down... Watch out for the alien space bug, he has a hard time gettinbg out of the way of your spacecraft. ... It also has an alarm clock.
http://dl.winsite.com/bin/downl?500000008595 - 2Mb - 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. ... You are that someone! ... 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

Nether Star
The black depths of space has many mysterious secrets. People always looked on the night sky with hope and admiration. But not when enemies came at us from the stars. The enormous army of dark legions, destroying planets, came directly to the Earth. The governments of the Earth decided to use... You are sent to destroy alien aggressors and to save the Earth from enslavement. ... Your mission is to fly through hordes of enemy starships and to kill the head of the alien fleet - Commander Lord-Marshall.
http://www.ksysoft.com/nether/netherstar.exe - 8Mb - Download - Screenshot

Star Ball
At the edge of the galaxy, deep within asteroid rings, an ancient culture stashed away a powerful artifact known as Star Ball. They protected Star Ball with a belt of impervious bricks. After many millennia, people are in dire need of the ancient knowledge. ... On this mission you will pilot a custom spaceship equipped with gravity shields and weaponry for destroying bricks. ... On your way to Star Ball, you will encounter various power-ups, such as laser guns, missiles, plasma ball, cryo ball, and many others.
http://www.justfreegames.com/downloads/games/starball/us/StarBall.exe - 2Mb - Download - Screenshot

Arydox: Project Golden Hawk
Jump into your high-tech spaceship codenamed Golden Hawk and pilot it through a challenging universe where only the strongests survive! Shoot your way through the world of 3 totally different enemy races, all of them using unique technology and attack waves. ... Features: 3 different enemy races, minibosses at the end of every levels, 3 big bosses, 18 levels of adrenaline pumping action, more than 30 different enemy types, 9 different weapons to upgrade your ship, high quality graphics, CD quality music and sound effects, cheat codes...
http://www.pixel5studio.hu/arydox/ArydoxSetup.exe - 16Mb - Download - Screenshot

Xenidis
XENIDIS is a Top-Down Action Spacegame for one or two player featuring different worlds, lots of spaceships and monsters, lots of extra-weapons etc.
http://www.ericbehme.de/download/SETUP.EXE - 16Mb - Download - Screenshot

Logan's fight
In the year 2010 aliens start invasion on Earth. Europe fell down under superior aliens tehnical power and now the target is USA. Before total destruction of town only two man succeeded to escap and one of them was: LOGAN, PROFESSION: MUJAHADEEN He must go deep in Amazon jungle and find an... On this planet is another miracle story. ... Do you want with Logan to save the Earth ? ... After, he was destroyed everything what breath on ship he was jumped on aliens ship for long distance and flow directly on aliens mother planet ZOROX where aliens leader lives and controls the whole ...
http://www.agnatemoslem.net/lfight.zip - 3Mb - Download - Screenshot

Starport Galactic Empires
The highly-acclaimed, independently developed MMORPG, Starport, is now available and still 100% free to play. Be the captain of a space-ship in this fully graphical, real-time action game, set in a multi-player world. Fly a spaceship among star systems on a scrolling 2D plane system with... Creating a character and getting in the game is very quick and easy. ... We think you'll enjoy the heart-pounding action of this well-polished space sim, as many other people do! ... Starport is free to play and supports optional donations for virtual items.
http://www.StarportGame.com/StarportGE_240.exe - 16Mb - Download - Screenshot

Battle In The Sky
The Earth has been invaded by an evil alien race. And since you are the top pilot of the most advanced fighter craftaround, you are the world's only hope ! You must battle your way through four different areas, until you finaly battle highabove AREA 51, and face off against the leader of the... Some of the asteroids when shot will explode and release a Power-Upcapsule which floats around the screen. ... Touching the Power-Up capsule gives your fighter craft awesome powers. ... Great rewards can be found in the BONUS areas.
http://www.rb59.com/BITSSV.zip - 3Mb - Download - Screenshot