I read the book (well, up to a point; I stopped playing CRPGs in early 90s to concentrate on school). I did not know about PLATO, which hosted wizardry-like ga

I read the book (well, up to a point; I stopped playing CRPGs in early 90s to concentrate on school). I did not know about PLATO, which hosted wizardry-like games before Wizardry existed, and the authors of Wizardry played those games.