The narrative twist of Minerva's Den works because it's a perfect punctuative knife twist at the tail end of a narrative that draws you in emotionally from the very beginning. This is a far more intimate story than I ever thought Bioshock as a franchise would be capable of, and that working in tandem with the claustrophobic, even by this franchise's standards, environments sets a singular mood. I found the design of the new levels to be engaging in a way even more compelling than the base game, requiring me to, at least on hard, scrape every inch of the environment looking for an advantage and use my entire toolbox more-so than had ever been demanded of me before. The short length not only helps to establish the feeling of intimacy, but also allows for a rapid-fire pacing of meaningful gameplay shakeups to keep things interesting throughout. Handily the best piece of Bioshock media, and that's by about 30000 leagues.