When working to bring K.K. Slider to my island/town, Isabelle evaluates the island's current image out of five stars and gives specific recommendations on how to improve (get more residents, add some fencing). Are those recs the only factors affecting the rating? If she doesn't mention my weeds (in the inaccessible areas) or fruit on the ground (all over), am I safe to assume that doesn't affect the rating?
Animal Crossing New Horizons – What Factors Affect My Island’s Isabelle Star Rating?
animal-crossing-new-horizons
Best Answer
Isabelle's suggestions appear to be quite prescriptive.
The main suggestion, to add more residents, appears to just happen with the passage of time. (fwiw, I think the two-star rating is connected to reaching 10 residents.)
As for decorating (the harder part), when I generally followed her suggestions, eventually the rating went up. Some of her main suggestions include: