If you love tower defense genre games you will definitely enjoy this free game. Build towers to defeat the varied intruders. You will earn gold from fallen enemies. Spend this money to build more towers and to upgrade them. Protect your castle. If the intruders will be able to reach your castle they will start to destroy it. Prevent that with the power of towers and your extra power buttons at the bottom of the screen. If you use an extra power, you have to wait until the icon is fully charged again.
Choose your language (english, german, spanish, french, italian, portuguese or russian) at the beginning. The game starts with a tutorial. It shows you where the wave of enemies is entering the screen and where as well as how you can build tower to defend your castle. Have fun!