With the preemptive leak of the Bioshock: Infinite gameplay footage seen for the first time almost a month ago at a press conference in New York, gamers are even more curious to know just what it means. There's the obvious: Raven Tonic is like a plasmid, the sky-hooks allow for quick aerial transportation and combat, and conflict between isolationist and internationalist policies lies at the heart of the war over the city in the sky, Columbia. But as with most first gameplay reveals, more can be gleaned by paying close attention to detail in the footage and then making some educated inferences. So what secrets does Columbia hold, and what can be expected from a game that appears to share only a few choice similarities with its predecessor? Let's find out.