Here is the full list of all 26 Nature Escapes 3 achievements.
Finish the Tutorial.
Unlock a plant from the shop
Unlock most of the plants from the shop (50% and above)
Unlock all plants
Use Hint for the first time.
Use Hint at least 10 times.
Finish a location with 6x Multiplier and get a Golden Star.
Find a morphing object.
Find most of the morphing objects (50% and above).
Find all of the morphing objects.
Find a polaroid
Find most of the polaroids (50% and above)
Find all polaroids
Finish a nature puzzle.
Finish most of the nature puzzles (50% and above).
Finish all of the nature puzzles.
Finish a color-by-pixel game
Finish all color-by-pixel games
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.
Complete the 18 standard locations.
Finish all locations.
Place one of each plant in the garden at least once
Snap a photo of the garden