I just finished my play through, and I realized something. Well, I realized a lot of things - there’s a ton of foreshadowing and hinting, as well as some neat things like the wood panels on comstock’s airship - but this in particular stuck out to me:
([color=’#171717’]The muffled cries that Booker makes when he’s drowning at the end, those muffled complaints, are almost exactly the same as the sounds Jack makes when he’s struggling to the surface after the plane crash - at the very beginning of Bioshock one.)