All fantastic ideas. I have included them in our bug/feature list. If seems like you have an installation issue (which is not a surprise because we are using the Itch DLC system) so feel free to follow this guide to get up and running.
Sorry for the annoyance, and thanks for giving us a shot.
https://holodexxx.itch.io/hdx-home-ep2/devlog/155890/installing-holodexxx-home-and-episodes