Alien Invader: Classic Arcade Galaxy Space Shooter.

Your planet was attacked by a strange, numerous, strong, and bloodthirsty herd of aliens. Players will be survivors of remaining fleets of humanity, and try to push invaders out of the galaxy.

Tips:

- Press left and right arrow buttons on screen to move your ship to left and right side.
- Aliens will release obstacle to harm your ship when they are attacked by players.
- Alien ships on background can't be shoot down by your ship, but their fire can hurt humanity fleets.
- In every stages, a big and powerful boss appears after players defeat all small aliens, and short alarm on screen.
- Try to avoid enemies's bullets by moving left and right.
- Clean the galaxy as quickly as possible before you are overwhelmed by aliens' destructive firepower.

Good luck !!!.