It's on the cards for later this year. Honest!!
Viewing post in Sölitary Defilement (Solo rules for MÖRK BORG) comments
The expanded edition includes Alone in the Crowd, which is a pretty comprehensive city crawl supplement:
https://www.drivethrurpg.com/product/370201/Solitary-Defilement--Expanded-Editio...
Streets of Decay also acts as an oracle for generating streets, but does not include the additional rules for each shop type, location, and event, as found in Alone in the Crowd. It might be good for some sparks on inspiration, though: