MazM: The Phantom of the Opera

Decades after the "Phantom of the Opera" case that shook the Parisian opera house, a detective visits the place to uncover the truth about the Phantom. Find out what secret is hidden in the opera house by collecting footnotes and investigating characters! "He" is everywhere. "He" can see everything. And "he" is watching you…. Witness the shocking event about burning love and hate. [From Steam]