Remember the parts in BioShock 2 where you protected the little sisters while you were attacked by “waves” of enemies? Well, guess what? On August 3rd 2K is releasing DLC that is nothing but those. What’s in it for you? 7 achievements or trophies, you like being rewarded, right? The DLC will run you 400MS points or $4.99 if you want it on Playstation Network.