BioShock is a retro futuristic video game series published by 2K Games and developed by several studios, including Irrational Games and 2K Marin. The BioShock games combine first-person shooter and role-play engagements, giving the player freedom in how to approach combat and other situations, and considered part of the immersive sim genre. The series is notable for exploring philosophical and moral concepts with a strong in-game narrative influenced by concepts such as objectivism and American exceptionalism. (Wikipedia)
