Tachyon: The Fringe
Could be interesting
Immortal: Unchained is a souls-inspired third-person shooter/action RPG.
StarMade is a 3D sandbox space shooter created by Robin "schema" Promesberger, founder of Schine. The game allows players to explore the vastness of space; building factories; creating ships, space stations and structures out of various block types. Both single-player worlds and multi-player servers are available players. StarMade is currently in Alpha, and is a free-to-play game.
The Earthlings have joined the interstellar club. The galaxy will never be the same. The year is 2086 and Earth has detected an alien distress call originating from the surface of Triton. In response, Star Control is formed with you as The Captain of Earth's first prototype starship.
Gene Rain is a next-gen 3D third person shooter game. The story is set in a futuristic world, with a linear narrative structure, and uses shocking visual effects to present a brand new world for the players ' enjoyment.
The Outer Worlds is a new single-player sci-fi RPG from Obsidian Entertainment and Private Division. As you explore the furthest reaches of space and encounter a host of factions all vying for power, who you decide to become will determine the fate of everyone in Halcyon. In the corporate equation for the colony, you are the unplanned variable.
Space Engineers is a sandbox game about engineering, construction and maintenance of space works. Players build space ships and space stations of various sizes and utilization (civil and military), pilot ships and perform asteroid mining. Space Engineers utilizes a realistic volumetric-based physics engine: all objects can be assembled, disassembled, damaged and destroyed.
Take over the duties of a border guard inspector in a communist country of the 80's. Smuggling, corruption and forgery are the order of the day here. Be vigilant and earn the respect of your superiors.
Rebel Galaxy Outlaw is an open-world space combat adventure game, spread across the nearly 40 systems of the Dodge Sector. Play as a mercenary, a trader, a pirate, or whatever mix of the three you feel fits you best. With an engaging storyline and a full conversation system, you can follow the narrative, or ignore it and forge your own path at any time.
Wolfenstein: Youngblood is a brand-new co-op experience from MachineGames, the award-winning studio that developed the critically acclaimed Wolfenstein II: The New Colossus. Set in 1980, 19 years after BJ Blazkowicz ignited the second American Revolution, Wolfenstein: Youngblood introduces the next Blazkowicz generation to the fight against the Nazis. Play as one of BJ’s twin daughters, Jess and Soph, as you search for your missing father in Nazi-occupied Paris.
Empyrion - Galactic Survival is a 3D open world space sandbox survival adventure. Build mighty ships, menacing space stations and vast planetary settlements to explore, conquer or exploit a variety of different planets and the allegedly empty space!