My original work is licensed under CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/deed.en
Some assets are proprietary intellectual property of Nintendo, or so I reckon. Those are not licensed by CC BY-SA 4.0, obviously. I do not endorse you using copyrighted assets I do not own .. because I do not care, either way.
Do whatever you want just keep this open source, fams.