"Duke Nukem Forever 2001 Returns" by the leaked unreleased 2001 version of "Duke Nukem Forever" reprint and modification project has been released!

"Duke Nukem Forever 2001 Returns" by the leaked unreleased 2001 version of "Duke Nukem Forever" reprint and modification project has been released!
It is an updated version based on the open source version by another project....

The linked article is in Japanese.