Two Worlds 2: Castle Defense is a stand-alone add-on for Two Worlds 2, which is a tactical strategy game in the tower defense genre. While the bloody battle between the troops of Gandohar and the armies of the Orcs unfolds before the gates of Osvaroth, the emperor quietly awaits the results of this battle in the depths of his palace. However, he does not know that an elite squad of orcs led by Rogdor is sneaking along secret paths into the fortress and is now located not far from the portals of the throne room...