OpenTTD - An open-source clone of the classic game ...
ANNO - ANNO is a city-building and economic simulation video game series, with real-time strategy elements.
Game Dev Tycoon - Game Dev Tycoon is an addictive, Strategy, Business Simulation, and Single-player video game developed and published by Greenheart Games.
Tropico - Tropico is an Addictive, Strategy, Construction and Management, City Building, Sandbox and Single-player Simulation developed by PopTop Software.
RollerCoaster Tycoon Classic - Create and run amazing parks on your iPhone or Android.
Stronghold - Stronghold Crusader is a RTS game from the series from Stronghold.