Inspired by Lovers in a Dangerous Spacetime, the upcoming Cloud Miners looks like it could be a fun blend of genres to play in some local co-op sessions.
Here's one for serious Valve enthusiasts and people wanting to get juice details on their cancelled projects, and everything that led up to Half-Life: Alyx.
Destination Sol might not be a name known to all but it's a sweet little space exploration RPG that's free and open source, plus it's getting big updates.
Klei Entertainment have been busy working behind the scenes on the next free update and first expansion for Oxygen Not Included and they've detailed what's coming.
A city builder that's also a sort-of god game sim and eventually it will also be a multi-planet strategy game? The Universim certainly has a grand plan and a new explainer trailer to help.
Ready to spend another thousand hours building spaceships and now chasing comets? Take charge of the Kerbal Space Program once again in the latest free upgrade.
Burning Knight is a recently released action-packed roguelike, featuring slick pixel-art and fantastic lighting along with plenty of over the top action and a little sprinkle of comedy.
Celestial Command, a spaceship crafting survival sandbox game that's currently in Early Access doesn't get a lot of attention but it's quietly getting impressive.
Need something to truly get your bloody pumping? HyperCore mixes together a bullet-hell with a musical rhythm game in the style of a retro space shooter.
Starmancer, a crowdfunded title in development by Ominux Games with a little publishing help from Chucklefish is another title with a demo in the Steam Game Festival.