Here is the full list of all 14 4 Elements achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Complete a level without getting stuck.
Make a minimum of 4 long chains in a row.
Make a 16 pieces long chain.
Clear away 20 stone slabs using long chains.
Complete a level by using long chains only.
Use all four power-ups on a level.
Spot all the differences between two cards within a short time.
Complete the quest in 90 seconds or less.
Complete twenty levels in a row without losing any.
Restore the first Book of Elements.
Restore the second Book of Elements.
Restore the third Book of Elements.
Restore the forth Book of Elements.
Complete the game and save the magical world.