3d Building a Modern Roguelike in 2019 Nathaniel Inman provides source code to creating a random map generation and 3d roguelike explorer. He talks about the experiment and anticipations of the future of FPS Roguelikes.
fps No FPS is a Roguelike Nathaniel Inman works on day 2 of 2017 7drl with a FPS and comes to some interesting conclusions.