After a long time of waiting with the last proper release in 2018, the Unvanquished team have managed to do it! The next version 0.52 Beta is officially out now and waiting to be played.
Vircadia, the open source successor to the former High Fidelity VR project, a 3D virtual world for VR and desktops is now going to be coming to your web browser.
0 A.D. Alpha 25, the very impressive free and open source RTS is closing in on the next release and it's entering a Feature Freeze soon to focus on stability.
Two interesting projects we've not covered here before are UltraStar Deluxe and the newer UltraStar Play, both open source games aimed at karaoke fans.
Developer Eric Engestrom has announced the availability of Mesa 21.1, the latest release for Linux open source graphics drivers powering Intel, AMD and more.
A little bullet hell / shoot 'em up for your Monday morning wake up call? Taisei, a free and open source fan game based on the Touhou Project has a fresh release.
Valve contractors and CodeWeavers continue tweaking VKD3D-Proton for Direct3D 12 over Vulkan with another fresh update out now, and a small update to add it into Proton Experimental.
Have plenty of games on the Epic Games Store? The Heroic Games Launcher continues maturing to allow you to download and play them on Linux through a native application.
Virtual Reality and Augmented Reality (XR) is continuing to be a very interesting space with lots of innovation going on and Collabora are at the front of this with Monado, the open source OpenXR runtime.
Even more progress towards having a layer that will translate Direct3D 12 nicely over to Vulkan, as the VKD3D-Proton project just had a fresh release out.
The free and open source game engine Godot Engine has a huge new feature release out, so big they had to change the version number and they have some big plans for long-term support.
Moonshot - The Great Espionage from developer NimbleBeasts is looking good, and it's coming to Steam in June along with full Linux support built with Godot Engine.
OpenLoco continues advancing and bringing Chris Sawyer's Locomotion another step further to being as great as OpenTTD for Transport Tycoon Deluxe with a new OpenLoco 21.04 release out now.