4 Friends Games brings you the next exhilarating chapter in the Dark City series! When a masked assailant wreaks havoc on a theater in Vienna, you rush to investigate. You quickly arrive to find that this is no ordinary criminal. A dangerous phantom has descended on the local opera house, promising swift justice for past wrongs! This theater is filled with history and secrets. With the lives of both patrons and performers at stake, time is of the essence! Do you have what it takes to uncover the deadly secrets surrounding the opera and unmask the malevolent entity before…