ANNO - ANNO is a city-building and economic simulation video game series, with real-time strategy elements.
Homeworld - Homeworld is an Action-Adventure, Science-fiction, Real-time Strategy, Real-time-tactical, Single and Multiplayer Space Simulation created by Relic Entertainment and published by Sierra Entertainment.
Stronghold - Stronghold Crusader is a RTS game from the series from Stronghold.
Endless Space - Endless Space is an Amazing, Strategy, Science-fiction, Turn-based, Space, Futuristic, Exploration, Co-op, Single and Multiplayer Space Simulation created and published by Amplitude Studios.
STAR WARS Galactic Battlegrounds Saga - STAR WARS Galactic Battlegrounds Saga is an Action, Real-time Strategy, Combat, and Multiplayer video game created by Ensemble Studios.
EVE Online - Player-created empires, player-driven markets, and endless ways to embark on your personal sci-fi adventure.