Atomic 3D Shooter
Great arcade game in 3D space - fuse and nuke all the flying atoms that are trying to fill your desktop window. Two game modes, a meditative and a time-pressed one, are included, as well as different skill levels. nline contest for best players. Easy installation. ... At the beginning of the game the space is filled with atoms of six colors that are not connected one to another. ... There are go game modes: strategy and time based. ... In strategy mode you can shoot the atom whenever you want, and in time based game - the atom will be automatically released after some period of time.
http://absolutist.com/atomic3d/ashoot3d.exe - 1Mb - Download - Screenshot

Galactic Civilizations II: Dread Lords
Galactic Civilizations II: Dread Lords is the sequel to the award winning PC strategy game, Galactic Civilizations. Galactic Civilizations is a space-based strategy game set in the 23rd century in which players take on the role of leader of a space-faring civilization. ... This sequel is a complete overhaul of the game that includes an extremely sophisticated visual ship design feature, fleet battles, planetary management, civilization manager, advanced diplomacy, and much more all encapsulated in a state of the art 3D engine.
http://stardock.cachefly.net/GalacticCivilizationsII_Demo.exe - 16Mb - Download - Screenshot

Planetary Defense
Planetary Defense is a space strategy game where you take charge of a planets defenses against waves of attacking aliens. Defend against missiles, multiple warhead rockets, cloaked starships, meteors, homing missiles and laser-armed satellites. Some of the 21 missions include orbiting moons... High score table, 3 Difficulty levels and a variable game speed for hours and hours of space-blasting fun! ... Superb graphics and low system requirements, only a 3MB download.
http://www.positech.eclipse.co.uk/planetarydefense_demo.exe - 3Mb - Download - Screenshot

Power Manga
Power Manga, developed by TLK Games, belongs already to the legacy of the space adventure. It is one of the best Arcade Game developed under GNU General Public License. The present version for Windows is as neat as exciting. 42 levels, more than 200 sprites, some 14 guards that you must destroy... After a peace treaty about free interplanetary circulation that was concluded 150 years ago, the whole space has been turned into a giant floating trash. ... The players have to imagine their own strategy to manage their energy, fire power and chances of surviving in an utterly hostile world.
http://www.tlkgames.com/share/power_manga_share.exe - 7Mb - Download - Screenshot

The Loona Base RTS Demo
The Loona Base is an economy strategy game with elements comparable to SimCity. Colonize the moon. There are plenty of levels to play. Your goal in the game is to colonize the Moon. Easy enough right? The campaign for the game comes playable in 16 stages, so you'll have plenty of time to learn... Are you up for the task? ... Can you handle the responsibility? ... You'll be responsible for building the moon base, and keep it supplied with fuel, energy and of course food.
http://www.garagedeveloperinternat...com/Releases/loonademoinstall.exe - 156Kb - Download - Screenshot

Lines Deluxe
Lines Deluxe is an extremely addictive variation on the classic Lines game. It is played on a 9x9-squared game board, which is filled with colored game balls. Your goal is to align balls into lines of the same color by moving the balls on the game board. ... This game may appear simple, but the subtle strategy required to reach the higher score is a challenge. ... As space becomes scarce, there are fewer useful moves to choose from, so the game becomes increasingly difficult. ... The tricky part is -- each time you move one ball, new balls will appear on the game board.
http://www.flashshare.com/linesgame/download/linesdeluxe.exe - 1Mb - Download - Screenshot

Galaxy Unfurled
... 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 in preparation for combat, civilization somehow blooms on lush new blue-green worlds, undeterred ... ... GALAXY UNFURLED is a space-based real-time strategy game. ... But there is more to the game than war. ... The setting is a large galaxy inhabited by numerous space-faring alien species, one of which the player controls.
http://www.fractalsmith.com/GalaxyUnfurled.exe - 11Mb - Download - Screenshot

LineUp
The object of the Game is to score as many points as possible by generating as many "LineUps" of 4 of your pieces in a row as possible. These LineUps can be up and down or left and right. Playing a card that does not have an opponents piece on the board allows you to claim that space. ... LineUp is a card game that requires strategy to win. ... A Blue Joker allows you to claim any open space. ... You can play against one or two computer players, play Single or Double Deck, Normal or Las Vegas Style Scoring, use a Normal or Random generated board as well as choose between three styles of...
http://www.LazyDogSoftware.com/LineUp/Evaluate/LnSetUp.exe - 585Kb - Download - Screenshot

Cosmodeluxe 3D
Cosmodeluxe 3D is an impressive, entertaining game with many funny bonuses to help you navigate its tricks and traps. The best strategy of all, however, is to just play. In Cosmodeluxe 3D, you are given a board covered with balls of various colors. You must create lines made up of balls of the... More then 10 various bonuses, a space quest, 20 game's levels plus pleasure 3D-graphics and music - all this will keep you for a long time. ... The game is over when there are no more open spot remaining on the board.
http://www.ksysoft.com/cosmo/cosmodeluxe3d.exe - 3Mb - Download - Screenshot

SOLAR WARS
SOLAR WARS is a turn-based space strategy game, based in a distant solar system, with up to thirty orbiting planets. Scout out and conquer new worlds by attacking with fleets of ships or by sending bombs. Defend homeworlds by setting hidden proximity bombs or pulse bombs. ... See how fast you can eliminate your opponents and dominate the entire solar system! ... Play in single player mode, with computer opponents, or multiplayer mode, over the Internet.
http://members.bellatlantic.net/~jme69/SW100.zip - 2Kb - Download - Screenshot