BioShock 2 Audio Diaries: The Atlantic Express Audio Diary #1 – “The Great Chain Rattles” You’ll enter a large station and watch as a train car falls to the ground. {001 - 002} NOTE: Make sure to collect both diaries before going through the hole in the restroom wall, as you will not be able to return after. Collecting Audio Diaries in BioShock 2 is not necessary to completing the game on Xbox 360 or PS3. We all know how collectibles work by now, and although many of them are merely a checklist exercise that unlocks a trophy or achievement, there's much more to the BioShock 2 audio diaries than that. In fact, you could play start to finish and wrap things up without picking up a single one. Some will provide valuable information to proceed such as door codes, but by and large they can be skipped. Collecting audio diaries in BioShock 2 is mostly not necessary to completing the game on Xbox 360 or PS3. A few diaries are listed in a different area than where they are actually found. 2 audio diaries are available. There are 122 audio diaries to be found throughout the game. Remember that in BioShock 'Audio Diaries' are supposed to be self-contained to have all the immediate/intimate recordings needed for the backstory delivery element used in the game. If you want the full BioShock 2 experience, to understand the entire narrative, you'll want all these collectibles - or at least as many as you can find. Audio Diaries. You can view your currently collect diaries by accessing the map, selecting the message tab and then the location. BioShock 2 is a first-person shooter video game developed by 2K Marin and published by 2K Games.It is the sequel to the 2007 game BioShock and was released worldwide for Microsoft Windows, PlayStation 3, and Xbox 360 on February 9, 2010; Feral Interactive released an OS X version on March 30, 2012. I'm thinking about going back and getting all the audio diaries because i just got the achievement for bioshock 2 to collect 100, thanks for posting the number 7 years ago GameSpot Audio diaries are numbered in order of availability. Five of these are missable, these will be highlighted in red in the guide. If you want the full BioShock 2 narrative experience, you'll want all these collectibles - or at least as many as you can find. Welcome to Rapture is the first level of BioShock.