As a brave Knight, it is up to you to repel 50 waves of orcs, ogres and other terrors from the fort. Fight them off at the barricades, or engage them toe to toe inside the castle. Build buildings to fortify your position, unlock new equipment, or create friendly soldier training options. Equip yourself with awesome weapons, thick armour and sturdy shields. Specialise your play style by using skills earned through gaining levels and killing the invaders. Don't fight alone! Train friendly soldiers to stand by your side as you defend the fort. With dozens of skill, soldier, and equipment options to try there is almost unlimited replayability!
Source: The Developer Website.