What's everyone's favorite campaign mission from Doom? I haven't beat the campaign yet (doing my first run through on Ultra Nightmare) but the first time you drop into Hell....man oh man is that level amazing. It's so difficult, it's definitely the longest mission so far, and it's non stop action. I got stuck on the first arena for like an hour lol the two archvilles kept messing me up. The art in that mission is gorgeous too.
I've only gone through about 4 chapters so far. I heard the game has close to 16 hours of campaign gameplay. If that's true, its going to take me a while before completing this one. First person shooters are typically 6 to 8 hours long. I'm really happy about the game being longer than normal, enjoying the soundtrack immensely. I've got most audio down to 80% with the soundtrack up at a full 100%. I get really into the game when the music is running.