Here is the full list of all 20 Element4l achievements.
1000x fireworks
Finish a level in less than 60 seconds
Achieve a gold medal in any level
Take the dry route
Finished Element4l
Transform 10000 times
The achievement says it all
Get some air!
There are no weapons in this game, but you can be one...
Be as awesome as Indiana
Achieve terminal velocity with the minecart
Fall and get back on your feet
Make it to the top
Master in treehopping
First combo move
The game starts...
First lost spark found
Finish a level with less than 30 transformations
Find all the lost sparks
Conquer the darkness