A free app for Android, by Friendly Fox Studio.

What’s the best way to spend a weekend in Vienna? Why, with a little detective work, of course! As a real detective, you will have to solve the case of the masked attacker and uncover all the mysteries that are hidden in the city of Vienna. This is an exciting mystery with lots of mini-games and puzzles to solve. So, get ready for a real adventure!

In the game, you will be able to find many different clues that will help you in the investigation. But, you have to be careful, because the clues can be misleading. That’s why you need to have a good sense of observation to find all the hidden objects.

If you want to find out the truth about the case, you will have to talk to the witnesses and get the full picture of the events that took place at the opera house.