Hey man... I really appreciate that you're gradually keeping the project going...
Can I tell you a little secret? I also have several projects in mind but I can't make progress on any of them because I'm busy with others... I guess it's a thing of busy creators haha...
But I have to tell you something that a friend told me: I understand that you have too many things to implement in the game, many... but if you get overwhelmed by the large amount, you won't achieve anything... try to do them one by one... without worrying how long it will take, without worrying if it will be liked more than the others... Just do it for you and no for them...
That's how I've made a little progress with one of mine... it really works... even though my ADHD doesn't help.
I wish you the best of luck with the progress of your project... in fact... if you really believe that making paid versions on Steam will keep you motivated, do it... because it really seems to be a good project and I have no doubt that it has the potential for many people to talk about it and like it...
(The following is not necessary or mandatory) If you need help with someone to test the game, I've proven to be especially good at that with my colleagues, I don't want money for it and I'm very good at keeping secrets ;)
By the way, my name is Alberto, if you need to talk about something private, here's my email perezpozoalberto@gmail.com
PD. It looks really good 👍