BioShock Infinite: Burial at Sea - Episode 1 is the first part of the story-driven downloadable content of BioShock Infinite that puts the player in the perspective of Booker DeWitt in a new story, taking place in the city of Rapture right before its fall. This new campaign features the city of Rapture rebuilt from scratch with game mechanics and the Unreal Engine 3 used for BioShock Infinite. It includes new weapons, new Plasmids, new Gears and Tears. The first half of this first episode focuses mostly on the exploration of the business streets of Rapture and its story.