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.
Elite Dangerous - Elite Dangerous is a 2015 Trading, Action, Sci-fi, Exploration, Open World and Space Simulation by Frontier Developments.
Star Trek Online - Star Trek Online (STO) is a free to play MMORPG that takes place inside the Star Trek world.
X3: Terran Conflict - X3: Terran Conflict is part of the X number of video games.
EVE Online - Player-created empires, player-driven markets, and endless ways to embark on your personal sci-fi adventure.
Star Conflict - Star Conflict is a free MMO action game and space simulator that was introduced in 2012.