No Man's Sky!

Starbound is an indie game being produced by the UK-based independent game studio Chucklefish Ltd. Starbound takes place in a two-dimensional, procedurally generated universe which the player will explore in order to obtain new weapons, armor, and miscellaneous items. Starbound entered beta testing on December 4, 2013 for Microsoft Windows, OS X and Linux.

Spore is a multi-genre single-player god game developed by Maxis and designed by Will Wright.

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.

Shores of Hazeron is an ambitious and revolutionary game set in a science fiction universe.

Elite: Dangerous is a space adventure, trading, and combat simulator that is the fourth release in the Elite video game series. Piloting a spaceship, the player explores a realistic 1:1 scale open world galaxy based on the real Milky Way, with the gameplay being open-ended. The game is the first in the series to attempt to feature massively multiplayer gameplay, with players' actions affecting the narrative story of the game's persistent universe, while also retaining single player options. It is the sequel to Frontier: First Encounters, the third game in the Elite series, released in 1995. »

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!

Eden Star is an immersive Sci-Fi survival game that blends innovative physics based combat, destructible environments and free-form construction with the exploration of a hostile alien world.

After crash-landing on an distant planet, build a colony with your friends, battle others and explore the system prospecting for immeasurable riches. Discover, fight, and tame indigenous alien creatures or search for lost human expeditions as you survive the far reaches of space.