Coming up with a new spin on the puzzle genre is tough. Coming up with something that's not only original, but also top-quality is even tougher. Based on the number of Tetris clones and match-three one-offs produced over the years, it's easy to see that a lot of developers are content to take the path of least resistance. However, every once in a while something comes along and stands out from the rest, commanding respect and demanding to be played. 9/10