You know what we're talking about. You walk down a quiet hallway, turn a corner, open a door, and BOOM! Out of the silence come the beady yellow eyes of a zombie. You jump, scream like an idiot, kill it, and then... nothing. No reward. No feeling of success. No... nothing. You've just experienced a monster closet. It's a cheap, lazy thrill, and we don't want to see them show up that much in Doom 4.
We'd love to see id think up some new ways to introduce monsters into the environment, instead of just shoving them into empty rooms. The monster closet is a somewhat archaic concept that felt outdated when we played Doom 3 in 2004, and we're really hoping the developer is able to be more creative than cheap jump scares whenever it decides to make Doom 4.