Here is the full list of all 11 The Suicide of Rachel Foster achievements. It takes around 3-4 hours to unlock all of the achievements on Windows.
Complete the game.
Have an "intriguing" chat.
Complete day 9.
Get all items.
Access the secret room.
Listen to the Hotel whispers.
Get a date.
Find the screwdriver.
Complete day 4.
Get stuck in the fridge room.
Make first contact with Irving.