Your Highness, our kingdom is at risk. We’re facing great danger! Not only villagers, but also maidens, warriors, mages, ravens, bats, eagles and dragons are trying to destroy our empire. Guard your throne and stop them now!Use your tactical knowledge and skills to tip the scales of triumph in your favor in order to save the kingdom from the invaders. You are their last hope.Build strong towers and lead your defense forces against difficult enemies.Mighty TowersYou can choose from six different towers which can be upgraded. Each tower has different abilities to help you overcome various enemies.Engaging MissionsFight across three different environments in three campaigns that offer an intense tower defense experience with 50 challenging and unique levels. Features 3 campaigns 6 powerful towers 8 enemy types from villagers to warriors, to flying dragons 50 unique levels in three different environments Powerful items to use for tactical advantages. Some items allow you to summon meteor rains from the sky, entangle enemies on the ground, unleash an ambush, power-up and sharpen the senses of the tower Epic boss battles. Mighty bosses have unique skills and abilities. Some are fast, have a lot of health, more speed, deflect more damage, and ability to summon units And more…

— Activation Details —

Go to: http://store.steampowered.com/ and download STEAM client Click “Install Steam” (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don’t have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam… Follow the onscreen instructions to complete the process. After successful code verification go to the “MY GAMES” tab and start downloading.