THE GAME ENGINE YOU WAITED FOR. Godot provides a huge set of common tools, so you can just focus on making your game without reinventing the wheel. Godot is completely free and open-source under the very permissive MIT license. No strings attached, no royalties, nothing. Your game is yours, down to the last line of engine code.
If you're looking to blow off some steam or kill a few hours, these free and open source first-person shooter (FPS) video games for Linux, Microsoft Windows, and OS X may be just what you need.
Solving murder with Prolog. - In our company we usually have a fun quiz every sunday and this was one of them
Anki Overdrive Fast & Furious Edition drängelt im Test dank Überholmanöver, Single-Play-Modus, Waffen und viel Abwechslung die klassische Carrera Bahn mühelos von der Bahn.
OpenSpades is a super-fun "Open-Source Voxel First Person Shooter". I've been playing it for a while both on my GameOS desktop and under WINE on Linux. For whatever reason the upstream OpenSpades on github project had no Linux builds available for download, and I was lazy so I used WINE, which worked just fine.