Alien Defense is a thrilling game with the concept of strategy & defense.
Alien Defense is a thrilling game with the concept of strategy & defense. You have to protect your castle with your upgradable guns and guided missiles from the invasion of alien troops. In each stage, you are supposed to destroy the invaders and earn as much gold as you can. Don't underestimate the power of the aliens because they get even stronger in every level. Try to make accurate shots to eliminate them! Make your strategy carefully before every stage. Don't forget to upgrade your weapon that can enable your wave clearing more easily.Be careful against enemy shots and take as little damage as possible to complete it with high scores!