In the fourth level, players need to help the navy occupy southern Italy, and at the same time, they need to deal with several natural disasters caused by bizarre giant waves. To successfully achieve the victory conditions of the game, you need to meet the following requirements:

1. All Greek colonies must be captured and transformed into Roman cities.

2. Various indicators such as the city’s economic output, population, cultural development and urban safety index need to meet certain standards.

3. It is necessary to deal with the incoming ocean waves to ensure the safety of the city and residents. If these game objectives have been achieved and victory is confirmed by the game system, the fourth level has been successfully completed.