Upgrade and merge turrets, build synergies and define your strategy to defend your castle in epic battles!


Insatiable alien swarms want to chow down on your castle! But your towers are ready to unleash the lightning, let loose the poison, set them ablaze with explosions, and much more.


Master the art of mixing and merging your turrets to unlock new strategies and send the invaders running! Create any combination of carnage you can imagine with limitless options.

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