Little Alchemy is Geology and Earth Science game, where you try to create new elements by combining existing elements together.
Four starting elements: Air, Earth, Fire, and Water. There are total of 550 elements. It is pretty realistic, for example water + fire = steam.
Every combination is a little puzzle to solve. Will you be able to discover all the elements?
There are fiction elements just to be make more interesting like unicorns and dinosaurs.
As Always, Good Luck and Have Fun.
Available on tablet and smartphone: Apple iOS.