A free app for Android, by floomix.

Planet Defense is a game for all ages where you can play with your friends and family to defend the planets in the universe against alien invaders.

In this game, you will travel through the universe to defend the planets and save the galaxy from an invasion of aliens. Your mission is to defend the most vulnerable planets. To do this, you will need to build a defense against the enemy invasion, which will consist of a variety of weapons and towers. You will need to upgrade and customize your weapons and towers to adapt to the ever-changing threats.

You will face off against hordes of alien invaders in this game. Each of them has its own unique skills and behaviors. You will need to learn the art of tower defense to turn the tide of battle in your favor.