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.
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.
Access the secret room.
Complete day 9.
Get all items.
Have an "intriguing" chat.
Complete the game.