2K Games today announced the arrival of a new expansion for Bioshock 2, totally dedicated to the single-player modes of play. The content will be called "Protector Trials" will be released on August 2 for 400 Microsoft Points. The expansion will allow us to still wear the clothes of Big Daddy in six new maps which will be called to defend a sister to many hordes of Splicer. The content will also propose new targets and a series of unlockable content such as videos and artworks of the game.