The secret base is then secret, that no one knows about it, and above all, a potential enemy. It is ideal to place the contingent in a visible place, making it invisible and this is not easy. But someone came up with a brilliant idea – to settle in an old castle. It is located in the most convenient place, since it was built taking into account all tactical and strategic military considerations. However, no one could have imagined that the castle is crammed with all evil spirits. As soon as he settled in a little, the undead climbed out of all the cracks and began to wet the poor warriors. At the same time, monsters wielded swords and teeth more skillfully than soldiers with rifles in Secret Base In Old Castle 4.