This extension, which requires the base game. Will the world of tomorrow be a utopia powered by clean energy or an industrial society consumed by mass commercialism?" said Patrick Buechner, General Manager, Maxis Emeryville. "With SimCity Cities of Tomorrow, players can build the future as they imagine it. Transport your Sims on MagLev, power your cities with fusion reactors or tidal wave generators, manufacture a legion of drones to serve your Sims and build massive MegaTowers that dwarf modern skyscrapers. We're giving you plausible technologies to take your cities onto a journey 50 years into the future. What will you create?