The Lower Caverns certainly took longer to develop than I'd expected. We began in July of 2018, exhibited the latest work-in-progress builds at RetCon each subsequent year (bar 2020, where the event was cancelled due to the COVID-19 pandemic), and it felt tantalisingly close to being done for well over a year before we actually finished the playtesting and tweaking. A combination of real-life tribulations, illnesses, injuries and responsibilities artificially extended the development period. Unfortunately for the coder, this had the side effect of giving me perhaps a little too much time to second-guess myself and nit-pick almost everything I had created for the game. There had been a few times during the process where, once a set of new graphics was incorporated into the game, I found fault with the very next build, and supplied amendments immediately. This occasionally led to confusion over which disk image file was the latest, since I neglected to date stamp them for the fir...