AstroRaid
Add one part Space Invaders and one part Galaga, then shake with twist of Asteroids to get AstroRaid, a modern version of an arcade space shooter. The fate of humanity is in your hands! The Earth is in the danger of being destroyed by a fast spreading alien virus that kills anybody it infects. ... Second, unknown forces tried to sabotage your ship launch, but you found the fuel leakage just in time. ... Finally, you found a bomb on board. ... And now this - hordes of UFOs and alien ships are getting more and more fierce as you approach the Earth to save its inhabitant's.
http://www.gamerange.com/files/astroraidinstall.exe - 2Mb - Download - Screenshot