Here is the full list of all 25 Penrose achievements.
Burn in the fires of creation
Read all of Cat's story
Read all of Daniel's story
Read all of the Director's story
Read all of Marie's story
Read all of Peter's story
Read everything about the cult
Read all of chapter 1
Read all of chapter 2
Read all of chapter 3
Read all of chapter 4
Read all of chapter 5
Read absolutely everything
Switch perspectives for the first time
You always hurt the ones you love
Sometimes giving up is the right choice
The family that prays together stays together
Major 5th, minor 3rd
Major 5th, minor 7th
The elevation of a craft
Prevented a tragedy
A strange thrumming then, not in the air or ears...
Explore the entirety of Peter's house
Can't decide whether to go in or out
It was worth a shot, though