This binaries are the original ID Software Quake II v3.20.
Linux Quake II v3.20 does not supports full screen, so it will run in a window, and also the mouse cursor will always be in the top of the window.Important: Quake II v3.20 is a bit tricky to run, soo a readme file is linked to this page.
This readme is not included with the quake2-3.20-glibc-i386-unknown-linux2.0.tar.gz.
The purpose of this readme file, is to help anyone ho likes to run the latest official version of ID Software Quake II Linux Engine.
So be shure do download the readme, if you dont know how to run the official ID Software Quake II v3.20 Linux engine.