Here is the full list of all 16 The House in Fata Morgana achievements.
Complete Chapter VI.
Complete Chapter V.
Take the first step toward uncovering the truth.
Complete Chapter IV.
Call for the Maid 10 times.
Complete Chapter III.
Examine the mirror.
Complete Chapter II.
Complete Chapter I.
Complete Chapter VII.
Complete Chapter VIII.
Complete the game.
Take a peek behind the scenes.
Reach all the endings.
Complete the game twice.
Reach all the dead ends.