Space Galaxy: Alien Shooter is a free sci-fi action game developed by Viva Games Studios for Android. In this game, you take control of a spaceship to defend the galaxy from a fleet of invading aliens. The game is inspired by classic arcade games and features retro graphics that will take you back in time.

The objective of the game is to stop the alien invasion and save the galaxy. You can upgrade your spaceship with various sci-fi powers and special items to increase your defense and attack force. The game features a simple gameplay mechanic that is easy to learn but requires practice to master your spaceship driving skills necessary to defeat the alien enemies.