Opera Fatal Opera Fatal Opera Fatal is a 1996 educational graphic adventure puzzle video game developed by Ruske & Pühretmaier Design und Multimedia GmbH and published by Heureka-Klett. The game's plot follows maestro Angelo, the orchestra director, on the night before the premiere of Beethoven's Fidelio. A mysterious thief has stolen the musical scores; to retrieve them, Angelo must solve a series of music-themed riddles that have been scattered throughout the opera house. The gameplay of "Opera Fatal" consists of first-person exploration as Angelo finds his way through the opera house. The player can interact with some specific objects by clicking or
Fidelio for Fidelio, who then enters carrying a heavy load of newly-repaired chains. Rocco compliments Fidelio, and misinterprets her modest reply as hidden attraction to his daughter. Marzelline, Fidelio, Rocco, and Jaquino sing a quartet about the love Marzelline has for Fidelio ("Mir ist so wunderbar"—"A wondrous feeling fills me", also known as the Canon Quartet). Rocco tells Fidelio that as soon as the governor has left for Seville, Marzelline and Fidelio can be married. He tells them, however, that unless they have money, they will not be happy. ("Hat man nicht auch Gold beineben"—"If you don't have any money"). Fidelio