I have come across a number of discussions among those who seek to discover and recapture an original, "natural," unbounded, or otherwise pristine form of role-playing game. Some of them find the roots of this mode of play in the person of Dave Arneson, one of the two original authors of Dungeons & Dragons. These fascinating discussions have two things at stake. One is the quest to find a style of play that may add more to your current game, a never-ending quest. The other is the implicit, an...