I've decided to retire this project for a couple of reasons. Including higher priorities, and frustration with the Cipher Drive code base. I won't get to make the demo of the game I was planning on, but I've learned from the experience of trying to put this thing together, in the sense that I found a lot of ways not to build a game.
I dissect the outcome of the project in detail in this
Thanks to anyone who engaged with the project at some point.