The shuttering of New York's Chinatown Fair back in March marked the end of an era for the city -- a last vestige of a time when social gaming meant more than just logging on to Xbox Live. The arcade experience hasn't completely disappeared form the metropolitan map, however -- in recent years, a new crop of venues have remixed the concept of yesterday's arcades, places like Brooklyn's Barcade, a shrine to 80s gaming machines that does brisk business serving spirits to Williamsburg's 21 and up crowd. Launched in Ridgewood, Queens by game developers Kunal Gupta and Syed Salahuddin, Babycastles takes the re-invention a step further, offering up something between an arca