Here is the full list of all 108 Dots achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Complete level 16 in the third world
Complete level 15 in the third world
Complete level 14 in the third world
Complete level 13 in the third world
Complete level 12 in the third world
Complete level 11 in the third world
Complete level 10 in the third world
Complete level 9 in the third world
Complete level 8 in the third world
Complete level 7 in the third world
Complete level 6 in the third world
Complete level 5 in the third world
Complete level 4 in the third world
Complete level 3 in the third world
Complete level 2 in the third world
Complete level 1 in the third world
Complete level 16 in the second world
Complete level 15 in the second world
Complete level 14 in the second world
Complete level 13 in the second world
Complete level 12 in the second world
Complete level 11 in the second world
Complete level 10 in the second world
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Complete level 9 in the second world
Complete level 8 in the second world
Complete level 7 in the second world
Complete level 6 in the second world
Complete level 5 in the second world
Complete level 4 in the second world
Complete level 3 in the second world
Complete level 2 in the second world
Complete level 1 in the second world
Complete level 16 in the first world
Complete level 15 in the first world
Complete level 14 in the first world
Complete level 13 in the first world
Complete level 12 in the first world
Complete level 11 in the first world
Complete level 10 in the first world
Complete level 9 in the first world
Complete level 8 in the first world
Complete level 7 in the first world
Complete level 6 in the first world
Complete level 5 in the first world
Complete level 4 in the first world
Complete level 3 in the first world
Complete level 2 in the first world
Complete level 1 in the first world