Galaxy Siege 3 is an exciting free action game available on Android devices. In this game, you are tasked with building your own spaceship and venturing out on missions into space. The gameplay is engaging, and the upgrades make it even more challenging.

In Galaxy Siege 3, you start with a basic spaceship and must collect resources to upgrade it. You can add weapons, engines, shields, and other features to your ship to make it more powerful. As you progress through the game, you'll encounter different challenges and obstacles that require you to upgrade your ship even further. The game is easy to learn, but it's challenging enough to keep you engaged for hours.