GameSync San Diego, May 23rd. Five dollars at the door. Retro Gaming Night is the version of the evening where the game library opens and the default becomes: find something you haven't played since it mattered and play it in a room where someone else remembers it too. The collection runs from NES through the late console generations — cartridges, discs, controllers with the specific weight and resistance you forgot until you pick one up again. The muscle memory is still there. The level layout you thought you'd forgotten comes back by the second room. That recognition — the thing you didn't know your hands remembered — is the event. …