User blog comment:Pawn of Atlas/Important Discussion for Rapture Storyline page/@comment-4959479-20140329105033

Contradictions between Bioshock and Bioshock 2 were already present. The best course is to simply note the discrepancies and include all information.

It annoys me, but Levine was quite happy to ignore Bioshock 2's existence when he made Burial at Sea.