I’ve never met JP LeBreton but I know him because he knows the original Doom series. He wrote what is probably the most insightful design analysis of the game back in 2010; before he became a level designer for BioShock (2007) he learned the craft with Doom‘s level editor (and then demade his BioShock level “Arcadia” in Doom II); and more recently he had the opportunity to talk at length with one of the original Doom creators John Romero about his work on the game. It does not surprise me when LeBreton tells me “Doom is this thread running through most of…