Merge Building Tycoon : Idle City 3.7 [free]

You can combine buildings to create higher-level buildings
Buildings produce gold that can be used for upgrades every second,
The higher the level of the building, the more gold it produces.
Special buildings do not count towards the maximum count of buildings.

• 09/16/2021: Merge Building Tycoon : Idle City 3.7
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