ANNO - ANNO is a city-building and economic simulation video game series, with real-time strategy elements.
Sins Of A Solar Empire - Sins of a Solar Empire is an Adventure, Strategy, Real-time-strategy, Science-fiction, Exploration, Aliens, Single and Multiplayer Space Simulation developed by Ironclad Games and published by Stardock.
Tropico - Tropico is an Addictive, Strategy, Construction and Management, City Building, Sandbox and Single-player Simulation developed by PopTop Software.
FreeOrion - FreeOrion is a turn-based space empire and galactic conquest (4X) computer game being designed and...
Stronghold - Stronghold Crusader is a RTS game from the series from Stronghold.
Galactic Civilizations - Galactic Civilizations is a Turn-based Strategy, Sci-Fi and Single-player video game developed by Stardock and published by Strategy First.