Full list of all 24 POOLS achievements. It takes around 2-3 hours to unlock all of the achievements in the base game on Windows.
The base game contains 16 achievements, and there is 1 DLC pack containing 8 achievements.
Chapter #0 Completed
Noticed a glitch on an elevator floor display
Observed a gesture from something wishing you to enjoy your stay
Stepped into many rooms in the hotel area, whether you were invited or not
Explored a pathway in the depths that wasn’t a part of the itinerary
Did somebody mix paint with the water? There’s a weird odor in the air...
Entered a place where a warm sense of belonging washed over you
Discovered a submerged diorama depicting the actions of an unseen force