Here is the full list of all 13 I Love Finding Pups achievements.
Finish the Tutorial.
Adopt a Pup.
Adopt most of the Pups (50% and above).
Adopt all Pups.
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.
Use Hint 30x