
It might be because they want to invest in the techtree only but likely they haven't been properly introduced. More or less every event has one or more special buildings.This seems like a good idea to me I've noticed some players in my neighborhood (Modern Era) have still no GB's. Special Buildings: Every once in a while, there are events on Forge of Empires.These buildings have special abilities that can be unlocked once built and then expanded when the building is upgraded. Great Buildings: Great Buildings are not just famous in history but also useful in Forge of Empires.Roads: Most of the buildings have to be connected to the Town Hall, the heart of your city.These barracks train your brave soldiers.
Military Buildings: At times of war, you will want to produce troops. Those buildings are bigger than the decorations, but they also do provide more happiness per square. Cultural Buildings: The cultural buildings produce happiness to keep your population happy and productive. These small buildings do not require a road and give you a boost in your happiness. Decorations: To keep your citizens happy, you can build some decorations in your city. In order to produce goods, they need some coins and supplies.
If you want to manufacture them, build the according good building.
Goods Buildings: Goods are important for building Great Buildings, and much more. Those buildings do require some population in order to be constructed. Production Buildings: If you want to produce supplies ( ) then you should build those production buildings. Furthermore, they produce coins ( ) in form of taxes. Residential Buildings: These buildings provide population in your city, which is required for the production buildings and some special buildings. Currently, Forge of Empires has nine types of buildings.