User blog comment:Pawn of Atlas/Important Discussion for Rapture Storyline page/@comment-4959479-20140329105033/@comment-24171094-20140329111028

Contradictions between Bioshock 1 and 2 are able to explain if you want. And It's pretty easy. Most of the contradiction between 1 and 2 are just worldplay.

But, we can't ignore contradictions between 2 and BaS. If Ken ignored everything of Bioshock 2, there will be less problem. But, he put reference of Bioshock 2 in BaS 1 and 2,