I lost so much time to that game. It let you design your own tables and I made all kinds of Rube Goldberg setups.
https://archive.org/details/a2_asimov_pinball_construction_s...
Bill kindly shared the source code on GitHub:
https://github.com/billbudge/PCS_AppleII
This was discussed on HN way back in 2013:
"Night Mission Pinball" wasn't created by Budge but rather Bruce Artwick, the same guy who created the Sublogic Flight Simulator (and early versions of the Microsoft Flight Simulator which descended from it).