BioShock 2 is a first-person shooter with strong RPG elements, set in the dystopian underwater city of Rapture. As a sequel to the original BioShock, players assume the role of Subject Delta, a formidable Big Daddy prototype on a quest to rescue his missing Little Sister. With a rich narrative exploring themes of free will and morality, it combines intense combat, puzzle-solving, and exploration with upgraded mechanics and a customizable arsenal. The game enhances its atmospheric ambiance with horror elements, making for an immersive single-player experience on the Xbox 360.