Here's a curious one. Evolvation, a space combat sim from HyperReuts originally supported Linux last year and after going through a revamp Linux support was removed. It's coming back though, as the developer has confirmed.
Feudal Alloy is certainly a unique theme, with you controlling medieval robots as a fish. The developer has now confirmed it's releasing with Linux support this month.
Despite releasing to negative reviews from users and critics, OtherSide Entertainment and 505 Games seem committed to fixing it up and gave an update about the upcoming Linux support.
I have to admit, I've had a silly amount of fun in Voxel Turf. A game that combines the block-building that made Minecraft popular with vehicles, buildings, gang wars and all sorts.
Interstellar Marines used to be one of the most promising first-person shooters which sadly died due to a lack of funding. It's limping along, with a new video to show off a new enemy.
Clone Drone in the Danger Zone from Doborog Games seems like a rather fun third person sword fighter and the developer has made adjustments for Steam Play.
I've been excited to try out Hypergate for a while, as a long time Freespace fan I'm always itching to play more space combat games. It's now officially out, with Linux support.
GoNNER is a randomly generated action platformer with 'roguelike elements' from developer Art in Heart and publisher Raw Fury that leaves a lasting impression.
While not as popular as it once was, Ballistic Overkill is still a reasonably good online shooter that I've spent a lot of time in. The latest update sounds quite amusing.
I know what you're going to say, something about yet another survival game! However, Volcanoids really does look like something you want to pay attention to.