Galactic 123 Millennia - Free Scifi Action Game
Follow the adventures of an exile from planet Tertius into the vastness of space. Use weapons with mouse, move with keyboard (arrow keys). SciFi shoot em up game.
It was originally created in 2006, this is a re-release with some minor fixes, but game is very simple overall.
If you have trouble clicking on the Main menu, press S to start new game or C to continue existing one.