When it comes to meeting new people, children tend to have the right idea: just start playing, and everything will be fine. Turns out that premise can work with grownups too, as PlayNight can attest. PlayNight has created an alternative to the typical club scene by offering singles and couples a chance to meet one another in a casual atmosphere focused on playing games. No high pressure, no awkward introductions; rather, participants in PlayNight's monthly events just roll up their sleeves and e …