Guns of Mercy US

In 20XX, the earth becomes a vast and hostile wasteland. Since the great war against the alien invasion took place, the surface of the earth is full of desolation and a toxic atmosphere that makes it impossible for humanity to live on it.

And to find a place to live, humans had to take refuge deep underground but unfortunately the underground is full of our enemies. Join Guns of Mercy to destroy enemies with your brothers and build a new civilization for humanity.