A play-community generally tends to become permanent even after the game is over. […] The feeling of being “apart together” in an exceptional situation, of sharing something important, of mutually withdrawing from the rest of the world and rejecting the usual norms, retains its magic beyond the duration of the individual game.
Quotes about communities
A game that has the ability to engender community will get played for a long, long time, no matter how lacking its other qualities might be.