Here is the full list of all 13 The Butterfly Sign achievements.
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.
Why such a hurry?
Is it interesting?
Were not you who have staged this murder, were you?
You gave a wrong explanation everywhere.
You did not ask too many questions to Romanov.
You have passed the first chapter on one of the difficulties.
You have passed the first chapter on the highest difficulty.
And why do they have so many refrigerators...
You asked every possible question Romanov.
So many memories...