Are you playing the game now? There is no way they could have expanded the game this much without splitting it up. They wouldn't have recouped the development costs, the game would have been long as hell, and it would have taken us 100 years to get the whole game.
On another note, the side convos you hear from the bystanders are hilarious.
For example, you see some dudes sitting at a bar and overhear them talking.
Guy 1: I had a drink at Wall Market. It was like nectar from the gods.
Guy 1: We ain't got shit like that here. The closest we got is something that tastes like their piss.