This is Part 2 of my Bioshock Infinite Gameplay Walkthrough. Booker is still on the hunt for Elizabeth, whilst the government of the floating city Columbia tries to kill him! I'm playing Bioshock Infinite on the PC :Dbr br BioShock Infinite Walkthrough Playlist:br br Set in 1912 during the growth of American Exceptionalism, the game's protagonist, former Pinkerton agent Booker DeWitt, is sent to the br br floating air-city of Columbia to find a young woman, Elizabeth, who has been held captive there for the last twelve years.