Here is the full list of all 16 I Love Finding Cats achievements.
Finish the Tutorial.
Adopt a cat.
Adopt 10 cats.
Adopt all cats.
Use Hint for the first time.
Use Hint at least 10 times.
Finish a location with 6x Multiplier and get a Golden Star.
Have a 6x Multiplier fully deplete.
Get a Bronze Star for the first time.
Get a Silver Star for the first time.
Get a Golden Star for the first time.
Finish all locations.
Finish Maryland location.
Finish Tuscany location.
Finish Oregon location.
Finish Marmara location.