Much of the setting and game mastering information in Mongoose Publishing's Babylon 5 Roleplaying Game and Factbook was taken from The Babylon Project. The rules were changed to a d20 System variant. Mongoose later published a 2nd edition of the d20 game and a sourcebook for use with their edition of Traveller.
The Mongoose - 1915 was released on: USA: 19 July 1915
Be the Creature - 2003 Banded Mongoose was released on: USA: 11 January 2004
2011
Hollywood Babylon - 2000 was released on: USA: 2000
Send Me to Babylon - 2011 was released on: USA: April 2011
Hollywood Babylon - 1992 was released on: USA: September 1992
The Spoils of Babylon - 2014 was released on: USA: 9 January 2014
Rivers of Babylon - 2014 SUSPENDED was released on: USA: 2014
A Clown in Babylon - 1999 was released on: USA: 19 December 1999
American Babylon - 2000 was released on: USA: 1 June 2000
Lost in Babylon - 1916 was released on: USA: 19 December 1916
Birth of Babylon - 2001 was released on: USA: 8 February 2001