>>2147907
The levels used, in order of appearance, were Dissolution (map01), Hellground (map07), Doom 2 (map18), HellCore (map02), ZPack (E1M6), Scythe 2 (map19), Jenesis (map12), Epic 2 (map01), Going Down (map02), Beyond Reality (map10), Deus Vult (map04), Hellcore (map07), Vanguard (map07), Sunder (map07), Dark7 (map06), Dark Tartarus (tat20), Equinox (map09), and Dark Tartarus (tat12).
If you want my own personal suggestions to compliment DemonSteele, I'd go with Hellcore, Scythe 2, and Dark Tartarus. Dissolution fits unbelievably well thematically, but gameplay is slow as balls and a lot of people tend to want balls to the walls action.
Well. Tits to the walls.
I wouldn't mind more melee weapons--I actually have a slot open for one right now, though it might be a while before it's seen due to plans. What did you have in mind?