Tower 21

Are you ready to fight? You must protect our defective plane and repel the enemies one by one! I trust you soldier! I believe he will be successful in this task. If you are a beginner, you can start the battle on the "Normal" front and gain experience.  If you have experience, must run to the "Hard" front and do your best to stop the enemy.  Come on mission! Game Properties: 18 different tower le…