Here is the full list of all 22 Supernormal achievements.
Unlocked good ending.
Unlocked bad ending.
Found the final clue for password in the living room.
Found the seventh clue for password in the bedroom.
Found the sixth clue for password in the living room.
Found the fifth clue for password in the living room.
Found the fourth clue for password in the hallway.
Found the third clue for password in the hallway.
Found the second clue for password in the kitchen.
Found the first clue for password in the bathroom.
The fourth paranormal clue to the email was found.
The third paranormal clue to the email was found.
The second paranormal clue to the email was found.
The first paranormal clue to the email was found.
Found all the clues in the bathroom.
Found all the clues in the kitchen.
Found all the clues in the laundry room.
Found all the clues in the bedroom.
Found all the clues near the entrance door.
Found all the clues in the living room.
Found all the clues near the piano.