Let's address that elephant in the room. We know what you're thinking: BioShock isn't a retro game. It's a fair standpoint, but the underwater FPS celebrated its 15th anniversary in August, which falls within our own remit, and regardless, no one can discount its status as an utter classic. And the fact is, when it comes to selecting games from the pile of 'recently retro' to cover, only the very best, most innovative, most impactful games can make the cut… and that basically defines BioShock. But what's interesting about the game's development is how so much of its essence is...