: The final stages of the campaign take you directly into the "spooky place" where the monsters spawn, requiring a ultimate stand to save the population. The Core Conflict: Protecting the Citizens

: Specialized "demon-arm" structures designed to target and eliminate flying threats.

: A rare "sapling" tower that grows into a massive, arrow-firing titan, eventually becoming the most powerful and expensive defense in your arsenal.

: A shift into icy, underground caverns where your defenses are tested by cold-themed threats.