Really like seeing more games do this! Survivors of Borridor, a fast-paced couch co-op survival game where even a smartphone can be used to control a character.
I know we often write about games that might see Linux support, but this one seems rather promising. Antigraviator is a very slick and polished looking anti-grav racer.
This is great, not long after the rather good release of Horizon Chase Turbo, we have another retro-inspired racer with Slipstream. This one is very interesting, since it was developed on Linux.
The latest Steam Client update has left beta, bringing the Bluetooth Low Energy mode to everyone with the Steam Controller amongst other things. It also, sadly, broke other gamepad support in Big Picture mode.
Valve have officially put out a beta version of their new Steam Link Android app, which allows you to stream games from your Linux PC to your favourite device.
Maia, from developer Simon Roth has just been updated with a pretty big update. There's a lot of polish in this update, literally so with a new floor cleaning robot.