Brother Squad: Metal Shooter is a free-action game where you can play as either the commander of a military squad or as a mercenary trying to complete a mission in the war of the alien invaders. It is a fast-paced game full of action and challenges, allowing you to unlock new weapons and equipment and gain new abilities and skills as you progress through the game.

The game is set in the year 2157, and the planet Earth is in danger of being destroyed by an alien invasion. To save the world, you must lead a military squad to destroy the aliens and save the planet. You will need to face many challenges along the way, including enemy attacks, alien bosses, and many more.