Elite: Dangerous!

EVE Online is a massive multiplayer online game that offers limitless potential to discover, explore and conquer an amazing science fiction universe where you pilot spaceships, fight, trade, and form corporations and alliances with other players.

No Man's Sky is a procedurally generated open universe game.

Star Citizen is an upcoming space sim video game for Microsoft Windows and Linux. Star Citizen is planned to consist of two main components: first-person space combat, mining, exploration and trading with first-person shooter elements in a massively multiplayer persistent universe and customizable private servers, and a branching single-player and drop-in co-operative multiplayer campaign titled Squadron 42. The game is built on a modified CryEngine and will support all major VR headsets.

Star Conflict is an action-packed, massively multiplayer space simulation game that puts players in the role of elite pilots engaging in a widespread interplanetary skirmish. The whole world for PVP and PVE!

Noctis provides a massive 3D galaxy to explore via first-person perspective, through retro graphic visuals. Discover thousands of stars, their planets and moons through a galaxy approximately 90 thousand light-years in radius.

There are fifty-four star systems in the X Universe, and within each one there are numerous installations. There is at least one space station in each system, and they range from ordinary factories like solar power plants to shipyards. By trading with them the player makes a profit, which allows one to upgrade the X-Perimental Shuttle with new weapons, better shields, and increased cargo space.

X Rebirth incorporates open-ended (or "sandbox") gameplay. As with previous installments in the series the game will take place in a universe that is active even when the player is not present, involving simulated trade, combat, piracy, and other features. The player as an individual may take part in these or other actions to gain notoriety or wealth, going so far as to be able to construct their own space installations and command fleets of starships, establishing what amounts to their own personal empire and dynamically and drastically altering the game world in the process. »