A 2007 narrative-driven first-person shooter set in the underwater city of Rapture, blending immersive sim elements with moral choices around genetic power-ups called Plasmids.
- Developer: 2K Boston (Irrational Games)
- Genre: First-person shooter, immersive sim
- Platforms: Xbox 360, PC (2007); PS3 (2008); later remastered in BioShock: The Collection
- Mechanics: Plasmids and gene tonics, environmental hacking, audio logs, Little Sisters/Big Daddies choice system
- Notable: Themes of agency and objectivism, iconic twist and atmosphere, memorable art deco setting and sound design