getting 3 stars in each board is not hard, you basically get 2 stars for finishing the board, and the 3rd star is for finishing the board fast. from what i saw it was for finishing under 3 minutes.

all achievements in this game have to do with:
1) playing a lot of boards
2) getting a lot of 3 star boards


get 3 stars on 80 levels



get 3 stars on 120 levels



get 3 stars on 200 levels



play 100 boards



play 150 boards

first i played all 120 boards and got all 3 stars (some required playing a couple times)
after I finished all 120 boards with 3 stars i had almost all achieves unlocked except 2.
play 150 boards, and get 200 boards with 3 stars

since there are only 120 boards it was clear that i will have to grind the same levels to get the 200 3star boards achieve
while playing the game i took note of the easiest levels i played, so i can re-play them later for the grind.

the first and obvious board would be #2 on the first page
it's really easy and you can finish it in about 20 seconds



but that got REALLY BORING, REALLY FAST

so I chose the second best option in my opinion which is #8 on the 6th page.
it takes about 35-45 seconds to finish although after playing it 20 times i managed to start getting an average of 30 seconds.


it makes it less boring to grind the same level 60 times when there is a little bit of a challenge to it. also the tiles spawn randomly each time so youre not really doing the same thing over and over :)

I would assume that you can get all achieves by playing the same level 200 times but I mean, where's the fun in that. and how boring would that be...



anyways hope this helps anyone and enjoy the game! it's really cute and rather easy to finish

good luck and have fun
<3