Tap the Regions icon (to the left of the club chat icon) in the lower left-hand corner of your Capital City screen to bring up the Regions menu. Start unlocking Regions once your Capital City reaches level 25. How do you unlock regions in SimCity BuildIt? Here, you’ll find the option to create a region. The first thing you’ll have to do is run SimCity 4 and navigate to the region screen. You will need a paint studio program such as mspaint, paintNET or Gimp. What is the Boston region in SimCity 4?.Is there an English version of SimCity 4?.Where can I download regions for SimCity 4?.How do you unlock regions in SimCity BuildIt?.