Kingdom Rush Frontiers is widely considered one of the best entries in the genre, building on the foundation of the original with more complex mechanics and exotic settings.

“Sweet graphics, hilarious LOTR atmosphere and epic boss battles (especially the final one)! And in no way it is a pay to win... if you want some variety and even support the developers, go for Captain Blackthorne.” Apple

While is a highly acclaimed tower defense game, it is not legally available as a free download for PC . On PC platforms like Steam and the Humble Store , it is a paid title. Sites offering a "free download" for PC are often unofficial and may contain security risks.