Defense the fortress with the powerful archers

Features:
+ Total 100 example levels
+ Total 20 characters (5 archers and 15 enemies)
+ Upgrade characters ability and the fortrest in Shop system
+ Make money with Unity Ads and Admob (Show ads on Gameover/Victory, watch rewarded video)
+ Make money with IAP (buy coins)
+ Sprite image animation (easy reskin graphics)
+ Work on Mobile and PC
+ Total C#, easy to learn