Full list of all 24 The Story of The Flood achievements.
The base game contains 19 achievements, and there is 1 DLC pack containing 5 achievements.
Find the famous painting in the secret room in the extra chapter
Find the plant in the secret room in the extra chapter
Find the book in the secret room in the extra chapter
Find the diamond in the secret room in the extra chapter
Do not pick up any items along the way to the end