The Science of Discworld was created in 1999.
The Art of Discworld was created in 2004.
Discworld MUD was created in 1991.
GURPS Discworld was created in 1998.
The Discworld Mapp was created on 1995-11-09.
Discworld Noir was created on 1999-07-05.
No. Discworld was created by English fantasy novel author, Sir Terry Pratchett.
The Discworld Almanak, which was written by Terry Pratchett and Bernard Pearson, was released in 2004.It is a spin-off book which is written in a similar format as "Nanny Ogg's Cookbook".The book is about Discworld's very complicated zodiac system, as well as advice on agriculture (especially cabbages). It is a humour book.
The Discword Companion, written by Terry Pratchett and Stephen Briggs, was released in 1994.The New Discworld Companion, written by Terry Pratchett and Stephen Briggs was released in 2003."Turtle Recall: The Discworld Companion . . . So Far", was written by Terry Pratchett and Stephen Briggs and designed by Marc Simonetti was released in 2012.
The Discworld Companion has 288 pages.
Discworld MUD happened in 1991.
GURPS Discworld happened in 1998.
Discworld Noir happened in 1999.