Defend the Fortress is an addictive game. Welcome! An alien from space landed on the planet, he built his own tower. He defends his tower from countless enemies equipped with devastating weapons. Remember to upgrade your weapons when ever possible. We provide 50 levels that let you experience unimaginable, thrilling, but interesting adventure. Main Features: - Amazing game play. - 25 different enemies. - 50 levels - Upgrade Weapon Store - Quality images and sound FX. Enjoy!