Make a raid deep into alien force positions to eliminate the threat for your homeworld. Youll encounter lots of different alien ships, upgrade your weaponry with extra-weapons, blow up enemy barriers and defeat powerful bosses. Lots of special effects, unique tactics for each level, nice music and sound FX, Worldwide Hall of Fame and much more.

It's not easy to survive under the alien sky when there's always someone to burst you with his weaponry or overcome with his tactics. However you have to. Cause you and your ultramodern space-fighter are the only chance to prevent alien invasion which is almost ready to start, turning your homeworld into ruins.
Numerous alien ship types - they build barriers, ram you with plasma bolts, intercept power-ups, lay time-charges, work in formations...
* Various alien ship types differing from each other by appearance, behavior and weaponry.
* Enemies build barriers, ram you with plasma bolts, intercept your power-ups, lay time-charges, work in formations - do everything to make you develop unique tactics for each level.
* 10 powerful extra-weapons ranging from Homing Missiles to Nuke.
* Bonus levels to enrich your playing experience.
* Boss levels with unique and hard-to-defeat creatures.
* Player ship easily controlled by keyboard, mouse or joystick.
* Player-friendly interface to change game options, store player progress data and more.
* Flexible scoring system with a detailed Top Players List.
* Ability to post your score to Alien Sky Worldwide Hall of Fame.

The license of this software is Free Trial Software, the price is $19.95, you can free download and get a free trial.