Map05, of course.
One of my personal favorite dm maps.
It is a great map for novices and experts.
This demo shows it well.
Frag #150 is a classic. =D
Score is hidden for those who don't want to know the outcome.
All demos are Doom2.exe version 1.9 unless specified.
Deathmatch: -deathmatch is also know as Old Deathmatch or version
1.0. -altdeath is Deathmatch 2.0.