Key Defence is a unique tower defense game available on Mac that challenges traditional gameplay by allowing players to manipulate the path of enemies instead of placing defensive towers. In this engaging puzzle, players strategically design the route that enemies will follow to ensure that the towers effectively eliminate them. This twist on the typical tower defense genre adds a layer of strategy and requires careful planning to succeed.

As players progress, they will encounter various enemies and must adapt their path design to optimize tower effectiveness. The game combines elements of strategy and problem-solving, making it not only entertaining but also mentally stimulating. With its full version license, Key Defence offers a comprehensive gaming experience that encourages players to think critically and creatively.