Greg Gorden is not only a writer but also a game designer. He was a contributor to multiple sourcebooks for Star Wars: The Roleplaying Game, which were released by West End Games.
- Star Wars: The Roleplaying Game (acknowledged for "Heroic and Meritorious Service to the Rebellion")
- The Star Wars Rules Companion
- Otherspace (served as editor)
- Riders of the Maelstrom (served as editor)
- Imperial Sourcebook
- Cracken's Rebel Field Guide (served as editor)
- Star Wars: The Roleplaying Game, Second Edition (acknowledged for "Original Design" and "Additional Design")
- Tales of the Jedi Companion (acknowledged for "Original Force Power Design")
- The Jedi Academy Sourcebook (acknowledged, together with Greg Costikyan, for "Additional Design" regarding the Force powers " Contort/escape ," " Force of will ," and " Shift sense ")
- Star Wars: The Roleplaying Game, Second Edition, Revised and Expanded (acknowledged for "original design")
Hyperspace reprinted three short stories that were originally featured in the Imperial Sourcebook:
- Death of a Rebel Base
- Imperial Spin
- Admiral Jerjerrod's Testimony