Edward CastronovaEarly in Mark Wolf's awesome new book about subcreation, he makes note of Eco's discussion of cult products. Wolf highlights the fact that a good cult film is not necessarily completely coherent. Rather, it has chunks and pieces that allow the audience to participate in creation. A good world is not a clean story from end to end, its a lattice with hooks for people to hang other things. As we all know from building toys, anything you hang on a hook should itself be a hook. A few weeks ago, we discussed what makes good computer game worlds different...