Game Pencil Engine is an interesting looking game engine that's planning Linux support soon and it's trying to get on Steam.
VR Funhouse is currently a Windows only advanced VR game, but the interesting thing is that Nvidia claim they will open source it.
Tahira: Echoes of the Astral Empire, a tactical turn-based RPG in which a 20-year-old princess must save her people from a genocidal empire, launches on Linux on August 31, 2016.
The developers of Turmoil, a simulation game about digging for oil are looking for testers using SteamOS.
Stealth-action hybrid DEADBOLT from Risk of Rain developer Hopoo Games is now available for Linux on Steam.
Crush Your Enemies is one you could easily dismiss with the graphical style, but I assure you it's quite fun.
Good news, after chatting with Team17, it seems Worms W.M.D will now be a day-1 Linux release which is fantastic.
After some delay, the latest DLC and patch for XCOM 2 is now out for Linux. Shen’s Last Gift adds mech units to the mix, to better fight the insidious alien threat.
Slayer Shock is the next game from David Pittman (Eldritch, NEON STRUCT) and Minor Key Games (Super Win the Game, Gunmetal Arcadia) that will see you hunting vampires.
Quadrilateral Cowboy, a cyberpunk heist adventure from Blendo Games is seeing a delayed Linux release, but not too long to wait.
Maia version 0.57 is now available and it brings diseases and conditions which you will need to diagnose and treat.
Stellaris is about to get bigger with a teaser of a DLC named the Plantoids Species Pack and they have a trailer.
Always sad when a game sees a delay, but hopefully it will be worth it as The Other 99 actually looks rather good.
Defect is a very cool idea for a spaceship combat game. You keep building a new ship to take on new challenges and your crew keep stealing it so you have to face it in combat.
The developer of Undertale replied to a user question about what is going on with the Linux port. The user shared it on the Steam forum for all to see.
Black Ice is a game I have followed for a long time (and personally purchased a copy) and it just released a rather nice update. If you're an FPS fan and looking for something to sink some time into, this could be what you need.
After a number of years in development Starbound is finally about to get a full release and I can't wait to play it in full!
Fossil Echo is a pretty awesome looking story-driven platformer that has plans for a Linux version, it's not ready just yet but will be soon.
Barony, a pretty cool looking 3D first-person roguelike has opened up the engine under the GPL license and is now on github.
Black Mesa is officially coming to Linux, and the developer confirmed so in a rather delightful way of shooting down an anti-Linux troll in the Steam forums.