One could not have easily guessed that there would be so many references to Muslims in tabletop role playing games. I certainly did not know about the extend of this phenomenon until I was enlightened by Jabir Lee a few years ago. Here is a list of such games, quoted here verbatim from brother Lee, and the Islamic/Muslim references in these games.
Veil of Night, (Vampire: The Dark Ages)
Clanbook Assamite, Clanbook Assamite Revised, (Vampire: the Masquerade)
Lost Paths, (Mage: the Ascension).
Blood and Sand
Loose Allegiances (3rd edition)
Sixth World Almanac (4th edition)
This is a world-guide for Shadowrun 4th edition, portrays the middle east as overwhelmingly intolerant and bad compared to it’s portayal in Loose Allegiances.
Ottoman Empire, (Castle Falkenstein).
GURPS Sci-fi supplement, this book has a “Reformed Caliphate” made up of “moderate Sunni nations.