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