Star Trek Online - Star Trek Online (STO) is a free to play MMORPG that takes place inside the Star Trek world.
ANNO - ANNO is a city-building and economic simulation video game series, with real-time strategy elements.
X3: Terran Conflict - X3: Terran Conflict is part of the X number of video games.
Tropico - Tropico is an Addictive, Strategy, Construction and Management, City Building, Sandbox and Single-player Simulation developed by PopTop Software.
STAR WARS: EMPIRE AT WAR - STAR WARS: EMPIRE AT WAR is an Adventure, Strategy, Science-fiction, Real-time-strategy, Star Wars, Single and Multiplayer video game created by Petroglyph Games and published by LucasArts.
Stronghold - Stronghold Crusader is a RTS game from the series from Stronghold.