chautemoc: Are you a journalist? :P
Mentalepsy: No. Why, too elaborate?
cioran: There have been a few games with outrageously campy meta-gaming moments besides Bloodrayne - the Shadow Hearts games and Vampire: the Masquerade Bloodlines come immediately to mind. Also, the Serious Sam series and Painkiller series is a complete throwback to those games. Stake-gun, much?
Never played Shadow Hearts, but I don't quite get the Bloodlines comparison...
As for Painkiller and Serious Sam, I never got the same tone from those two. They're both unrepentantly oldschool in gameplay, but Painkiller was a brooding emo kid and Serious Sam was goofy in an entirely different way.
Just my opinion, though.
Painkiller has no discernible storyline to make the lead emo. You fight demons and shoot them with many things including, eventually, a stake gun. Gimmicky shooting thing! Funny catchphrases! It's the most self-aware thing in the history of videogames. It's about as shameless as the BFG and the gravity gun. The game is a doom 2 clone. It absolutely knows it's a Doom 2 clone.
Bloodlines writing breaks the 4th wall and openly mocks videogame conventions with outrageous gore and general insanity. Play a malk. Technically, it's the wackiest thing I've ever seen in a videogame. At one point, you can have a dialogue with a stop sign. A frigging stop sign.
Have you played Timesplitters 2 (also like RotT a primarily multiplayer FPS game)? I think you're wide of the mark, if you still don't see that these FPS games with very dark and wacky senses of humor have been coming out for years after playing that.
RotT was a good multiplayer game, but completely unexceptional in every way. It had a tad bit more of a sense of humor than some FPS games, but games like Timesplitters 2 attacked conventions in much funnier (and more playable) ways. Also, the level of violence in that game was also outrageous. Think: Laibach makes an FPS.
Also, for non-FPS games, the "Balls" meter was pioneeringly ridiculous. Seriously, have you played Scarface? It's probably the most violent game ever. It's basically porn. I'm pretty sure the designers knew that. Oh, also fwiw, I think Rockstar has a darkly cartoonish sense of humor that permeates its games (Manhunt, GTA, Bully), too.