Hexen II was a awsome game back in the day, came a while after Doom/doom 2.... I'm going to have to try that...
There is also a Duke Nukem 3d version for WM
http://forum.ppcgeeks.com/showthread.php?t=28704
Had it in the past I got some where, it worked really well, I have to see if I still have it on my computer someplace...