Volition, the developer of Saints Row IV is working on a new game called Agents of Mayhem. A GOL supporter asked me to get in touch with them about a Linux version, so I did.
The latest Steam Hardware Survey is now available and if you take it at face value it doesn't look so good for Linux. I am remaining positive as always about it.
Something I keep seeing repeated in our comments, forum and across other sites is people believing Valve have somehow failed already and are abandoning SteamOS. That's far from the truth of the matter.
Terraria on Linux uses Ethan Lee's FNA project, but the most recent update did not update FNA which Ethan has pointed out is a bit sad. Thankfully, he has a script to do it for you.
Strange and sad news, Deep Silver responded to me on twitter to let me know that Dead Island Riptide Definitive Edition and Dead Island Definitive Edition are not coming to Linux. I find this odd going by the recent SteamDB activity.
Interstellar Marines has been in development for a long time and their cash is running dry. They recently announced they are looking for a publisher or investor and they have created a video to showcase the game and make their needs known.
For those that don't know, or forgot, the new Unreal Tournament does in fact have a Linux version. I check on it now and then and it's really starting to come together.
While not officially supported, it turns out that through SteamVR and Valve's OpenVR, the HTC Vive "works" on Linux with some minor permission changes.
Recently the developer of Stardew Valley announced that Chucklefish (developers of Starbound) would handle porting Stardew Valley to Linux & Mac. Chucklefish have now announced they are working with Sickhead Games on the porting process.