Here is the full list of all 36 Znkl - there are 177 achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Complete level 2
Complete level 3
Complete level 4
Complete level 5
Complete level 6
Complete level 7
Complete level 8
Complete level 9
Complete level 10
Complete first zone
Complete level 11
Complete level 12
Complete level 13
Complete level 14
Complete level 15
Complete level 16
Complete level 17
Complete level 18
Complete level 19
Complete level 20
Complete second zone
Complete level 21
Complete level 22
Complete level 23
Complete level 24
Complete level 25
Complete level 26
Complete level 27
Complete level 28
Complete level 29
Complete level 30
Complete third zone
You win!
Complete level 1
First steps
Start game