- The Wade Wars Book III: Askin (1993; Z-code).
- Got Toast? (2000; Z-code). ToasterComp.
- Medusa (2003; Z-code).
- The Mage Wars: Statue (2003; Z-code). IntroComp 2003: Winner.
- Maintains OnyxRing, a site devoted to IF articles, Inform programming, and the ORLibrary. Most articles are by Jim, but not all, and he welcomes new submissions. Articles are rateable by the public.