During World War II, the German army carried out satanic experiments aimed at cheating death and creating zombie soldiers and terrifying beings.

You play as Father Karras, and before returning home to your parishioners, you must travel to the Austrian border and put an end to all these evil experiments. Explore the castle of hell and defeat the four satanic generals hiding within its dark walls.

Hollenburg is an arcade game with video adventure elements. Explore the immense castle, collect items, accumulate experience points to level up, and discover hidden secrets.