Happiness

Happiness is an important game element that determines the Population of Residential Buildings as well as the tax money collected from the City Hall. Happiness can be increased by build and upgrade Residentials. However, happiness can be is driven down by inadequate services (which will eventually cause the building).

There’s one other very good reason to keep citizens satisfied—the happier the populace, the more taxes you will receive.

Check the smiley face happiness counter on the left of your screen. If the face exclamation marks appear on the buildings on the map and the smiley face on the main ui will change color from green - investigate by tapping them immediately!

They will hint at what improvements you can make to keep your citizens satisfied.