ANNO - ANNO is a city-building and economic simulation video game series, with real-time strategy elements.
Theme Hospital - Business simulation game created in 1997.
Stronghold - Stronghold Crusader is a RTS game from the series from Stronghold.
Hospital Tycoon - Hospital Tycoon is a business simulation video game developed by DR Studios and published by...
The Settlers Online - The Settlers is a free web browser based strategy game along with a gameplay that drops anywhere between Age of Empires and the online strategy style.
CorsixTH - Open-source game engine recreation of Theme Hospital.