In case you were unaware, this is actually the source code of the rerelease of Quake II. The source code for the original Quake II has been released for many years[0], along with many of the id Software classics[1].
In case you were unaware, the source code of the original is included along with the re-release in this repository, as stated in the first sentence of the readme.
In case you were unaware, this is actually the source code of the rerelease of Quake II. The source code for the original Quake II has been released for many years[0], along with many of the id Software classics[1].
[0]: https://github.com/id-Software/Quake-2
[1]: https://github.com/id-Software