Here is the full list of all 43 Blackout: The Darkest Night achievements.
FRANK!
Contract? What did I agree to do?
What could be worse than killing someone?
There must be another way
Who was that woman?
Lisa! I need to see her!
Why did I ask for this prescription?
Visit all passages on the Bar Chapter
Pass by every location in the game
Visit all passages on the Alley Chapter
Visit all passages on the Bus Chapter
Visit all passages on the Cemetery Chapter
Visit all passages on the Church Chapter
Visit all passages on the Diner Chapter
Visit all passages on the Epilogue Chapter
Visit all passages on the Home Chapter
Visit all passages on the Hospital Chapter
Visit all passages on the Subway Chapter
Visit all passages on the Taxi Chapter
See all 5 different endings
I wish I did not read it.
I was too weak.
Cats never liked me.
Am I really mad?
I feel safe here.
I saved her, but at what cost?
Let's see how you like that.
Complete the Gallery
And good luck.
Like Son.
Am I losing my mind?
I can't let go of it.
Achieve 100% game completion
Why am I doing this?
God forgive me, if he exists.
May this help a poor soul, I know it wont save mine.
Who is this man?
I know I saw it.
Poor man...
What did I just witness?
Who is Sarah Morgan?
His son...