No missable achievements (plus 18 unknown)
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Turned the light on in a room before a breach opened
Entered a haunter
Managed to hide succesfully
Saw a fragment of reality
Entered a breach
Touched the weeping one
Managed to hide succesfully five times
Saw three fragments of reality
Turned the light on in every room
Found a diary page
Entered ten haunters
Found five diary pages
Remembered the story of the Lost Child
Turned into a doppelganger
Managed to hide succesfully ten times
Chose to lock The Lodger inside the cabin and remain hidden
Chose to go into the woods
Saw all fragments of reality