Greg Gorden has worked for several gaming companies:
For Victory Games he participated, during the early 1980s, in the design of the James Bond 007 role-playing game (1983).[1]: 167
For Mayfair Games he was in 1985 the main designer on the DC Heroes role-playing game.[1]: 167 Also for Mayfair Games, partnering with White Wolf, he designed D.O.A., but the game was not published.[1]: 170
For West End Games Gorden brought help to Greg Costikyan and the WEG team in the design of all the editions of Star Wars: The Roleplaying Game (1987,[2] 1992[3] and 1996[4]). For the same game, in the supplements' list, he was the main author of The Star Wars Rules Companion (1989)[5] and the Imperial Sourcebook (First Edition: 1989,[6] Second Edition: 1994[7]). Also for West End Games, and with help from Douglas Kaufman and Bill Slavicsek, Gorden designed Torg (1990).[1]: 191
For FASA, Gorden designed the rules of the role-playing game Earthdawn (1993).[1]: 124
For the Pinnacle Entertainment Group, Shane Lacy Hensley (founder of the company) wrote a draft for his Deadlands game and flew his friends Gorden and Matt Forbeck to Virginia; Gorden and Forbeck liked the draft and asked if they could buy into Hensley's company, although Gorden left because of personal reasons.[1]: 325
^Bill Smith, Star Wars: The Roleplaying Game - Second Edition, West End Games, New York, October 1992, Editor: Ed Stark, Hardcover, p. 176, ISBN0-87431-181-0
^Bill Smith, Peter Schweighofer, George Strayton, Paul Sudlow, Eric S. Trautmann and Greg Farshtey, The Star Wars Roleplaying Game: Second Edition - Revised and Expanded, West End Games, New York, August 1996, Hardcover, p. 288, ISBN0-87431-268-X
^Greg Gorden, The Star Wars Rules Companion, West End Games, New York, January 1989, Paperback, p. 80, ISBN0-87431-147-0
^Greg Gorden, Imperial Sourcebook, West End Games, New York, October 1989, Editor: Bill Slavicsek, Hardcover, p. 144, ISBN0-87431-175-6
^Greg Gorden, Imperial Sourcebook, Second Edition, West End Games, New York, June 1994, Editor: Bill Smith, Hardcover, p. 144, ISBN0-87431-210-8