Gambling - SimCity: The gambling specialization is the easiest specialization to start. It has a small physical footprint compared to the others. Everytime I tried to bring a Casino city to life, I failed when I put the Sci-Fi you create your city, go in the Casino submenu and click in " guide ". Mega Casino Cities by UncivlEngineer. I've been playing around with what I'm calling " Casino Juggernaut Layouts", maps filled to the brim with Elegant Casinos.