Jonathon Fowler's source code port of 3D Realms' Duke Nukem 3D using his port of Ken Silverman's Build game engine
cd Ports/jfduke3d
./package.sh
Website: https://github.com/jonof/jfduke3d
Port: https://github.com/SerenityOS/serenity/tree/master/Ports/jfduke3d