I think DOOM had just the right mix of elements that keep people coming back to it: great monsters, excellent weapons with great balance, a spooky environment and extreme speed.
John RomeroThe thought processes that go through my head when I'm playing a game compared to the thought processes in real life are very, very different. And they're more interesting to me than what you think about when you're doing the dishes, cleaning the yard, watching TV, driving or watching a movie.
John RomeroYou have to design and program differently. Combat action in an MMO is so different to combat in a first-person shooter.
John Romero