A great leader knows how to fight first in his own kingdom before invading the surrounding countries. This brilliant tactician has laid out a grid system to prevent the invading forces from even touching his city's mighty walls. Set up defensive missile turrets to destroy oncoming troops. Position energy towers in safe locations to unleash magical attacks and protect them with shield blocks to fortify yourself within a castle of block towers!

Use your mouse to choose the color of the block and position of each block tower.