Here is the full list of all 12 Kumoon : Ballistic Physics Puzzle achievements.
Completed the Movement Tutorial
Completed the Scoring Tutorial
Completed the Multiplier Tutorial
3 point Box
6 point Box
9 point Box
Completed Easy Levels
Completed Medium Levels
Completed Hard Levels
Clear the Pillars with One Shot
Clear Tutorial-2 Without Firing a Shot
Clear Tutorial-3 with Maximum Possible Points