Hell Revealed is a full 32-level megawad for DooM2,
created by Yonatan Donner and Haggay Niv. If you don't have it, you'll
in order to watch this speedrun.
Hell quickly Revealed is a speedrun demo of all 32 levels
in one sitting in 43:39 minutes. Yonatan says "Since in DooM it's not
possible to connect recordings together, I had to record all the
levels in a row, which is why many parts of this recording could be
improved. Also, I used skill 1, because that's the most suitable skill
in Hell Revealed for speedrunning."
It's a normal DooM2 demo, so just unzip it in your DooM2 directory and
start DooM2 with
doom2 -file hr.wad -playdemo hqr-4339 to