and always on Facebook. Many of the innovations we've done in this game have been made in response to us following the community that has grown over the years. Glassbox really is smart though, especially as you can see quite clearly how one thing affects another. How challenging was it to engineer all of those systems? I wouldn't say it was simple [laughs]. We have a lot of extremely bright people working in the studio, and the masterminds behind this have done such a great job. We've overcome a lot of problems, and in doing so, you really appreciate those great minds. "You can drop disasters on other cities. You can do negative things. You saw our big casino city, so say I didn't have a police force there. It would generate a lot of crime, and that crime can reach out into neighbouring cities." Your concept of 'RCI' is interesting because it mirrors how real life works. Did you have to employ specialist in these areas or say, an economist, to make sure it worked properly? A lot of our designers have done heavy, heavy research. One of the things I should point out is, look at the bus stop system and how far that goes. One of the designers did research into city planning just to find out how far people actually walked. That kind of detail is littered throughout the game. We have a great team of designers who thinking about this stuff all the time. Like,