User blog comment:Willbachbakal/My BioShock Sequel Idea Dump/@comment-175.139.62.248-20130826141158/@comment-1330314-20130828070000

It's sort of the case already. My singleplayer campaign has one protagonist, but the co-op campaign has two. My iteration of the multiplayer doesn't have different characters per se, but rather a selection of gear to customize your champ with.