I know this is probably a dead thread but here I am playing this and I'm stuck. The combination of tiles I've placed here fit every single criteria, yet it's still wrong.
It's the mirrored column thing that's wrong. Well, debatably wrong, depending on how you interpret it. Mirrored in the way that up is down, so if two connected columns are mirrored, the top-most color of column A would be the bottommost color of column B.
Thank you for posting this. How do you get the color square game to activate? I've clicked everything I can see in that view but it will not activate. I also tried every item in my inventory while clicking the box.