Splendid visuals, with really great use of colors! I love the look and atmosphere of this game.
And cool to see some puzzles. The main mechanic gives some enjoyable moments, and is a great way to explore the world. It could have been used a bit more during the second half though.
My main concern would be some platform sections, a bit hard to manage with the isometric view. But falling is fortunately no too much punitive.