City Tier
As your city gains population, its tier will eventually increase to the next tier. When the tier increases, the city will unlock various bonuses. The rate of growth to the next tier depends on several factors.
| City Tier | Population | Claims | Experts | Amenities | Research | City Production | Tax Multiplier |
|---|---|---|---|---|---|---|---|
| 1 | |||||||
| 2 | |||||||
| 3 |
Claims
The number of claims a new region costs depends on the distance from the city center.
Experts
Most improvements have 1-3 expert slots which you can place to get various bonuses.
Amenities
Amenities typically provide stat bonuses to your city's quality of life. Some of them provide maluses or unique bonuses.