There is something really addictive to this simple-seeming game. I know that they call it a simulation, and hope that more will be added to it later, but I just cant seem to put it down! Research on the web has made it easier to spot the diamonds and I collect more and more. I LOVE that this is the case. Looking forward to more, like extra cut styles, or the ability to cut lesser gems, and would be willing to pay for the privilege.