I was just thinking of writing a game using my beloved copy of Mapping the Catacombs as inspiration, so imagine my delight when I saw the SRD!
Viewing post in MAPPING the CATACOMBS System Reference Document comments
I made it in time for Solo But Not Alone! In the end I was also inspired to be very physical and ziney with the layout, so thanks!
https://peachgardengames.itch.io/vandal-eyes