User blog comment:Willbachbakal/My BioShock Sequel Idea Dump/@comment-1330314-20100419075613

Well, I have a few ideas for the U-invent which could make it even more important than what it was in BioShock.

As for the Chemical Thrower, the level 3 powers for the elemental plasmids made it more or less obsolete, so I don't think it's ever going to be reintroduced.