You can unlock them in the Research Tree. If you don’t have enough free space in you city – try researching new, better residential buildings and building them instead of the old ones.Įach era has different types of residential buildings, which either grant more population or produce more coins. You can increase your population by building more residential buildings. If you don’t have enough space in your city, you can sell your existing buildings or rearrange the city to use the available area more efficiently. We would rather invest this time in cool new features. To add a rotate function would mean to overhaul all existing buildings and animate them from all kind of angles. The buildings are currently only animated from one angle. The missing option to rotate buildings makes the game more difficult – like a puzzle.Ģ. We don’t want to make it too easy to rearrange the city.