Protect & Defense zone

In Protect & Defense zone! You will not stop shooting to save the whole world from an imminent alien robot attack.
In Protect & Defense zone! You will be responsible for defending the base from an attack by alien robots. Play as a boss and manage all resources, fight against enemies and save everyone from an imminent threat. He shoots enemies and defeats bosses to stop the attack. Improve your character, and your skills!
In Protect & Defense zone the waves are getting more and more complicated, but you can improve your characters and skills in order to counteract all the robot enemies.