Johnson is also the creator of the SNW_Writers Yahoo! Group, originally intended as a private discussion group for Star Trek: Strange New Worlds writers.
Jim serves as a writer and the editor for the Star Trek Adventures (RPG) roleplaying game.
- "Solemn Duty" (TNG short story: Strange New Worlds VII, 2004)
- "Home Soil" (TNG short story, Strange New Worlds 9, 2006)
- "Signal to Noise" (DS9 short story, Strange New Worlds 10, 2007)
- "A Terrible Beauty" (DS9 novelette in Mirror Universe: Shards and Shadows, 2008)