Here is the full list of all 13 The Butterfly Sign achievements.
You did not ask too many questions to Romanov.
You have passed the first chapter on the highest difficulty.
Why such a hurry?
You have passed the first chapter on one of the difficulties.
So many memories...
And why do they have so many refrigerators...
You asked every possible question Romanov.
You gave a wrong explanation everywhere.
Were not you who have staged this murder, were you?
Is it interesting?
A game? What game? You spent 5 minutes in a web browser.
You did a mistake 10 times entering a password.
You stood on the balcony for a few minutes.