Shoot your way through hundreds of waves of alien aggression. Save mankind in an epic adventure of top-scrolling action. Fight dozens of minor aliens and a huge boss at the end of every mission. Grab powerups, roast your enemies with a mighty laser, deal out some heavy damage, get a new ship, or enjoy immortality.

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