Some sort of uber-interactive FPS that used the Doom engine. Why didn't anyone ever hear about it? Well, it came out after Quake.

From Hyena, crusader against corporate injustice.

Still better than Faxanadu's system | This guy is really asking for an arrow in the back | Well, I've got some useful drivel if you've got the gold | Get you the hot spears of death! | That's some pretty harsh justice | Thanks for the heads up | Most likely he's saying this just before he gets a faceful of fist | I really hate it when people do this. Then don't bitch! Stop whining!