I hope you would try 8bit nes styled gauges and fonts.
I don't know why I haven't done that yet, thank you for giving me the suggestion.
I might be able to do something like that, I have several old versions of the game. At one point I had every build but I don't know where the "old" folder went.
Edit: Just took a quick look and look what I found:
This is one of the earliest versions out there, though there is an "old characters" folder in it. I didn't even have the flags programmed on the select screen yet.
Here are some more versions of the game I got:
Spoiler, click to toggle visibilty