Solve campaign tower defense puzzles - merge resources, place towers, and defend your castle in over 100 unique campaign battles;

Collect and upgrade your defenses - Collect all the different towers to ensure you have the best chance of defeating your enemies;

It's up to you to build defenses against waves of corrupted creatures and help protect Blackthorn Vale's castle.

Defensive attack - prevent enemies from entering your castle with different towers and heroes;

Merge and Upgrade - Merge lower-level units to upgrade and make your defenses stronger;

Customize your base - Design your base to best defend against attacks.

A strategy tower defense game, enter the world of Ravenwick and help the sorceress defend her castle from the spreading evil fog. In the game, players need to combine resources, place towers to resist waves of attacks from corrupted creatures, participate in more than 100 battles and win the final victory.