Hey!
I have to say that the game is quite unpolished in technical terms (mechanics, UI, visuals), but I have read your development log and now I have the real context for this submission. Man, when I started creating games I made tons of mistakes, and even the first "non-ugly" game I made was a total piece of crap. Considering that this is your first game, and taking into account that you had only one month to develop it, you did a great job man.
You are totally right when you say "I have already started off with some pretty crappy game, it will be fairly easy to do better from now on", we all have been in the exact same position as you are now, and the only thing you have to do in order to achieve your goal is to create a routine and learn something new each week, even if it's something as easy as "how to import sprites into unity", so you keep yourself active and motivated.
Good luck and well done! :)