On the page:
http://www.legendsworld.net/shooter/game/1136
if you click "included in Duke Nukem 3D HRP 5.3 Fan-Made Compilation 871MB (uploaded by 3Spot)" then on the next page, when you click "1" you download a file that's only 4.5 MB in size, which is much too small a size for what it should contain.
And similarly, on the page:
http://www.legendsworld.net/shooter/game/1849
if you click on on "Quake II: Better Than Ultimate Edition (includes Q2, Juggernaut, Ground Zero, Reckoning, Zaero, Tournament, and CTF with gladiator bots) ~392MB (uploaded by 3Spot)", then when you click on "1" to download, then you get another 4.5-ish MB file, which again seems much too small to be the legitimate download.
I haven't run either of these files, in case they are malware (better safe than sorry), so apologies if these are the right files.