The group's page used to go into more description - my apologies for not double-checking that it still had it.
The basic premise of this shared universe is that Discord, one of the cartoon's villains, took a human from Earth and dropped him in a non-human, non-pony body in Equestria. He then proposed a game to various multiversal deities that they do the same - and whichever piece was the last one standing, their sponsor would win the game and gain some measure of power, and the piece would be given a wish.
Some pieces know some, all, or none of this; some of the godly players have various goals other than simply winning the game; and I'm pretty sure Canterlot is going to get blown up at some point in the future.
Somehow, this reminds me a lot of Umineko. Well, that.. would work, yup. Pity I have no desire to work with the world.
For the past two months, I've been writing, and posting, roughly two thousand words a day of "Myou've Gotta be Kidding Me", a story set in a "My Little Pony: Friendship is Magic" fanfic universe, "Chess Game of the Gods". Outside of the sheer NaNoWriMo-like exercise of pushing out near-daily chapters, I've also been trying to keep in mind the various principles I've learned from Yudkowsky and LessWrong, and to try to present them in a way that people who like reading MLP fanfics might be able to appreciate.
I've just come to something of a minor climax with chapter 60, and while I'll definitely be continuing the story, this seems like a good time to mention it here, for whatever feedback and constructive criticism anyone cares to offer.