Joe Dever's Lone Wolf series of "which-way" (or, if you prefer, "choose-your-own-ending") books were part of an efflorescence of such works in the 80s. (The other two most popular series were the Bantam Choose Your Own Adventure
Lucidity takes place in the world of dreams -- a world filled with Dreamers, real people who dream without awareness, and Lucids, those few who understand where they are, have a sense of self, and can learn to manipulate the dreamworld to their own
OpenRPG is an Internet application that allows people to play Role Playing Games in real-time over the Internet. OpenRPG is free, open source, software, distributed under GNU/GPL license.