Astronoid 

This game is an unusual remake of arkanoid game. Your goal is to destroy alien turrets to complete each level. You don't need to always deflect the plasma sphere, but you really need to evade the alien shells and missiles to survive.
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Warp Assault 

Warp Assault is a flat-out fun blast-em-up, and it runs on anyone's Windows desktop! No strategy, no hard choices, just level after level of pure adrenaline action. Perfect for lunch-hour, or whenever you just want to blow up alien hordes!
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Odyssey of Col. Ranseier 

In this multi-action game, Col. Ranseier must save the Confederation from an alien invasion, and he must do it all on his own. And that means some things will certainly go wrong, so the sub-genre will change by turns. The game has a password feature.
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Alien War - Web Page Edition 

Alien War is an arcade style shoot-em up game. A freeware java game which you may play here or freely add to your own web pages. Full instructions for adding to your own web pages are included.
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UFO 

In the UFO alien screensaver get ready for a showdown between space creatures and mankind in the Aliens Among Us: UFO alien screensaver. Your perspective is from the surface of an alien planet, with the Earth in full view in the night sky.
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Defensor 

Defensor is a superior quality, horizontally-scrolling, shoot-them-up. Protect the humanoids from abduction and more. Destroy the multiple alien bug types, all with individual characteristics, collect bonuses and power-ups, & battle the mother alien.
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