Note: Jonathan's nickname on the ifMUD is Sherlock.
- Stargazer: Prologue (1996; Z-code). IF Comp 1996: 19th place.
- A New Day (1997; Z-code). IF Comp 1997: 10th place. Was a finalist for Best Use of Medium at the XYZZY Awards 1997.
- Pants on the Run (with Kim-Loi Mergenthaler; 2001; Z-code). Speed-IF Y.