Seven years ago, 2K Games impressed PC and console gamers with BioShock, an atypically engrossing action game that built upon Valve’s Half-Life and Ion Storm’s Deus Ex — first-person titles that transcended the shooter genre thanks to deep storylines and less gunfire-focused gameplay. BioShock’s hooks were a combination of Art Deco-inspired graphics, a large dose of Ayn Rand’s philosophy, and jitter-inducing audiovisual set…