Move over Cube World, there's a new open source voxel RPG in town under development called Veloren and it supports Linux too so there's a bonus point for you.
Releasing sometime around Halloween this year, the quite creepy adventure game Demons Never Lie now has a Linux demo available to try out on Steam.
Somewhat inspired by the satire of Starship Troopers, Second Earth is the current free prototype base building strategy game from Free Lives (developer of Broforce).
Well that's a title I didn't think I would be writing. It's a real thing though, Foreskin Fury is due to enter Early Access on Steam sometime this "Fall".
If you preferred the gameplay mechanics of the original Train Valley, you should take a look at the Train Valley 2 - Passenger Flow DLC that's out now.
For those of you with a Steering Wheel and play plenty of racing games on Linux, Oversteer is one of those essential and very handy tools.
Megagon Industries and Thunderful Publishing have announced their rather thrilling looking mountain biking game Lonely Mountains: Downhill is releasing this month on October 23rd.
How about a kick in the teeth with your coffee this Friday morning? Well, that's what I've got for you. Developer HopFrog has announced they will be removing Linux support for Forager and Mac is no longer coming.
Released earlier this month, Police Stories attempts to slow down the top-down shooter genre with a more tactical approach and most of the time it works quite well.
Feral Interactive have updated their port of Total War: WARHAMMER II for Linux to bring The Empire Undivided update and The Hunter & The Beast DLC is now supported.
GOG has been going for just about 11 years now, so they're having a big sale to celebrate. On top of that the retro FPS DUSK is now on GOG with an exclusive GOGATORIUM map for the endless mode and also CHASM is now on GOG too.
From developer Specialbit Studio, the quirky comedy point and click adventure Angelo and Deemon: One Hell of a Quest is officially out now with Linux support.
Game developer Brilliant Skies sent word that their game From the Depths is getting ready to finally leave Early Access on November 7th.
A thoroughly odd experience this. Drawn Down Abyss from developer DaFluffyPotato looks like an ordinary pixel-art action-platform except it's also thoroughly different due to the card-based abilities.
If you're a big fan of turn-based combat, looting and creating a character from tons of varied skills then Dark Bestiary is a game you might find quite interesting.
While I've no doubt plenty will compare it to the likes of Stardew Valley, Village Monsters takes a rather different take on the village life sim.
The Eternal Castle is a remaster of an old classic, except it kind of isn't. The story is a little peculiar but the game does look quite fantastic and it's available now on Linux.
The excellent free and open source game engine Godot Engine just announced that Heroic Labs are now supporting their development as a Platinum level sponsor.
Much like Humble are doing with the Humble One Special Day Bundle 2019, Valve have just launched their own charity sale for One Gamer Fund.
Techland have once again updated their fantastic open-world Zombie action game Dying Light, this time with a few new bits for everyone to play with.