Flotilla from Blendo Games is a 3D space exploration, trading and combat game originally released in 2010. Just today, it got an update to include Linux support.
Good news vault hunters, the recently released free DLC for both Borderlands 2 and Borderlands: The Pre-Sequel adding in multiple graphical upgrades will be supported in the Linux version.
El Presidente returns for one more try at building a prosperous city on the island state of Tropico, as expected the release comes with official Linux support.
No Man's Sky from Hello Games had a pretty iffy launch, with many not happy with it but Hello Games stuck at it and continued expanding it. They’ve announced more huge free updates coming and it works very well on Linux with Steam Play.
While the Linux version has been up on GOG for a little while, Steam was left a bit behind. Now the Linux version on Steam has been officially announced and released but there's an issue with Steam Play.
Oxygen Not Included, the incredible space-colony sim from Klei Entertainment is leaving Early Access in May and they've detailed some of what's coming and future plans.
Hypnospace Outlaw is both ridiculous and brilliant, a game that simulates the '90s internet in a rather disturbing way and it's out now with Linux support.
Void Mine follows the story of lost communication with a mining station, your task is to try and find out what happened to the crew through 10 levels of zero-g.
Space Haven from developer Bugbyte (Battlevoid: Harbinger, Battlevoid: Sector Siege) managed to get funded in less than 48 hours and it keeps on growing.
Objects in Space, the open world 2D stealth-action space trading game left Early Access this month and it was supposed to have Linux support but it seems they're having issues.