The moval of the cryptic challenges to a separate page might be a good thing, particularly for those who aren't that interested. It could simply be a forum to post, solve, explain and shout down clues rather than a game with any particular theme or aim (I'm thinking in the style of the various discussion games there are/were at Orange and MCiOS like Books or Rattling Dice).

Meanwhile, Blob, my first thought was brainwash but I can't get that to fit, and in the light of Martha's comment which appeared while writing this, I suspect I'm completely on the wrong track.

[rab] My first thought was jockstrap, but I can't get that to fit either, so I guess it just reveals further unwanted details of my psyche.
[authors] I like this idea, but story games do seem to get mired pretty quickly. Once Upon A Time already looks ready to be shot in the head. Oddly enough, the first move in that game was originally going to be by "Arthur Conan Matt" -- which could easily have (unintentionally) turned it into something like you're suggesting -- perhaps it might have worked better if so.

[rab] Spot on : not sure what you object to : bra is a support, in wash is being laundered, brainwash is to change opinions. Can't really see why that's not playing the game.