CorsixTH is a brilliant free and open source game engine for Theme Hospital, enabling it to play smoothly on modern systems and other improvements.

Godot Engine just keeps on advancing in new and interesting ways. This free and open source game engine can now be run in a web browser - yes really.

Recently, game developer King transferred the source code for the Defold game engine over to a new Defold Foundation where they opened up the source and now they have a new sponsor.

Want to play some classic RPGs? ScummVM is helping to keep many classics alive and multiple Ultima titles should now work nicely in it.

Recently appearing is a new open source game engine project called The Force Engine, with an aim to be an accurate version of the Jedi Engine that powered games like Dark Forces and Outlaws.

Cross-platform game engine Defold has announced that the source code is now available under a reasonably generous license, along with the formation of a Defold Foundation.

Julius, a constantly improving free and open source game engine to play the classic Caesar III on modern systems has a brand new release available.

Daggerfall Unity is a recreation of The Elder Scrolls II: Daggerfall built on the Unity game engine, with the project source code also available.

Today Epic Games released to huge bits of news for game developers, and hopefully for gamers everywhere to get a little excited about.

GDevelop is a free and open source game engine that uses an event-sheet style of making games, dragging and dropping instead of programming line after line.

While Godot Engine 4.0 will come with Vulkan API support, it's also bringing in a ton of new advanced rendering options to make it a more enticing target for bigger titles and capable of making more beautiful games.

Castle Game Engine might not be as well known as other free and open source game engines, however it does look rather useful and the developers continue to pull in improvements.

While the Epic Games Store may not support Linux, at least Unreal Engine does and it appears to have been given quite a lot of attention in the Unreal Engine 4.25 release that went out officially today.

Godot Engine is free, open source, cross-platform in both editor and exports and the next major update will bring in Vulkan API support and progress sounds great.

Ultima 7, what a classic. Released originally back in 1992 it continues to live on thanks to open source. Exult is a FOSS game engine for it and it finally has a fresh release.