Looks like you're off to a great start. If you're a youtuber, then I would love to see some videos of your asset creation process. I'm more of a developer than an artist, and the graphical composition is always the hard part for me.
All of the game assets are bought or for free on the unity asset store. The only thing I can maybe boast about is how to put them together to make it look good in the game or take an existing demo scene and improve and build on it.
