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