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

Xoid
And the Darkness will come. And dead birds and splinters of iron will rain down on the city. And the child will be torn away from the mother and the lover from his love. And the war will begin... For a thousand of years people of the planet Earth have known neither war nor fear. ... space. ... In order to do this you need to choose those parts of the field, which are not occupied with the enemies, and then cut this piece off by pressing . ... 80%. ... You are running the ship of the Community of Resistance, which is moving along the game field.
http://www.awem.com/download/xoid.exe - 10Mb - Download - Screenshot