Here is the full list of all 17 Rumu achievements.
Discover the truth about David and Cecily (Day 7)
Find MESSR
Find Sabrina the daughter's bedroom
Finish (Day 2)
Go Against Sabrina's Wishes
Route power successfully
Meet Ada the cat
Read a book
Clean your first mess
Open the game for the first time
Clean 10 messes
Route Power in Every Room
Read Every Book
Catch Every insect