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