For example they can also produce forge points, medals, goods etc. What makes special residential buildings different from regular residential buildings is they usually have secondary benefit as well. Some special buildings can also be gained when completing Daily Challenges or as a reward from the Guild Expeditions. Those buildings are mostly available for a limited time through events. Some special buildings are also residential buildings that provide population. To see exact numbers how much each residential buildings provides population see: Residential Buildings. Those are easily accessible and require only coins and supplies (or diamonds for premium buildings) to construct. The main source of population for most players is residential buildings. Gaining Population Residential Buildings Happiness can be increased by building cultural buildings, decorations and roads. Failing to do so may result penalties on coin and supply production of the city. When increasing population the happiness of the population must also be increased by equal amount. Alternatively a different residential building can be built that provides enough available population for the original building to be available for selling. If this is the case some of those other buildings must be sold first to release some of the population that is used. Residential buildings may not be sold if the population it provides is used by other buildings. In case one of the buildings that required population to be built is sold, the same amount of population is returned to the available population pool. Note that population is not required to construct cultural buildings, decorations, Great Buildings or roads. When one of those buildings is built the available population will reduce. When advancing in ages those buildings start to demand more population on average. New production, goods and military buildings can only be built when the required amount of population is available. Clicking on the available population indicator will also show the total population of the city. Available population is shown on the top left corner in the game. When a new residential building is built certain amount of population is added to the available population pool. Buildings from higher ages provide on average more population than buildings from lower ages. Each residential building provides certain amount of population.

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