Here is the full list of all 16 Adorable Witch 2 achievements.
Level Finished Ⅹ
Finish all stages without using any Skip.
Finish all stages.
Level Finished Ⅸ
Level Finished Ⅷ
Level Finished Ⅶ
Level Finished Ⅵ
Level Finished Ⅴ
Used the skip button.
Level Finished Ⅳ
Level Finished Ⅲ
Level Finished Ⅱ
Fail for the first time in any level.
Level Finished Ⅰ
Playing the game at 1 a.m.
Game Start