The city is beautifully realized, from the early 1900s-era buildings bobbing on the clouds to the zeppelins soaring by. The floating paradise isn’t just Rapture in the sky it is divided by its own political problems, and driven by its own ideals. If just a few things had happened differently, how would my life change? Could I be smarter? Richer? Happier? No matter how many parallel realities I ponder, I cannot imagine one in which BioShock Infinite is not among the best games I’ve played. As hero Booker DeWitt confronted these truths through the abilities of his companion, Elizabeth, I toyed with the same ideas in my own mind. Male here, female there – or never even born at all. A person can be alive in one place, dead in another. What appears to be a peaceful street could be a war-torn battleground in a different version of the world. In BioShock Infinite, players must be comfortable with the concept of parallel realities.