Take a look at Chuubo's Marvelous Wish-Granting Engine. It's very different than other RPGs but very cool. It was made by the same author as Nobilis and she has

Take a look at Chuubo's Marvelous Wish-Granting Engine. It's very different than other RPGs but very cool. It was made by the same author as Nobilis and she has a PhD in Computer Science and it kind of shows :)