Turret Survival io

"Create your own battle turret planet.
Deploy your turret and upgrade your plane according to your strategy.
Survive the war with your own strategy!
 
-Compete with people.
-Upgrade, mix & match turrets to create your own army.
-Compete with your friends through GameCenter rankings!
-You can enjoy the game with simple controls.
-Upgrade strongly! You can enjoy it as a stand alone type.
-Simple game and addictive!"