Bioshock 2 in less than 30 mins...

[Dark Sonic]

Played a bit last night. Fun, story seems interesting, very happy to be back in Rapture. Feeling like the game is a little too linear currently but I'm hoping that changes.

The Big Sister identity theory:

Spoiler

She has to be the little sister from the beginning... the one you're trying to find. Can anyone yet confirm if this is or isn't the case? I just want a simple yes/no

Spoiler

No

Spoiler

, because you kill Big Sisters. Every time you rescue a little sister you get attacked by a Big Sister.